Cosmological Perturbation Theory in the Synchronous and Conformal Newtonian Gauges

Abstract

This paper presents a systematic treatment of the linear theory of scalar gravitational perturbations in the synchronous gauge and the conformal Newtonian (or longitudinal) gauge. It differs from others in the literature in that we give, in both gauges, a complete discussion of all particle species that are relevant to any flat cold dark matter (CDM), hot dark matter (HDM), or CDM+HDM models (including a possible cosmological constant). The particles considered include CDM, baryons, photons, massless neutrinos, and massive neutrinos (an HDM candidate), where the CDM and baryons are treated as fluids while a detailed phase-space description is given to the photons and neutrinos. Particular care is applied to the massive neutrino component, which has been either ignored or approximated crudely in previous works. Isentropic initial conditions on super-horizon scales are derived. The coupled, linearized Boltzmann, Einstein and fluid equations that govern the evolution of the metric and density perturbations are then solved numerically in both gauges for the standard CDM model and two CDM+HDM models with neutrino mass densities $\onu=0.2$ and 0.3, assuming a scale-invariant, adiabatic spectrum of primordial fluctuations. We also give the full details of the cosmic microwave background anisotropy, and present the first accurate calculations of the angular power spectra in the two CDM+HDM models including photon polarization, higher neutrino multipole moments, and helium recombination. The numerical programs for both gauges are available at http://arcturus.mit.edu/cosmics/ .

45 pages, AAS LaTeX v3.0, based in part on astro-ph/9401007; 6 figures included and are available by anonymous ftp://arcturus.mit.edu/

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• CMB Temperature and Polarization Anisotropy Fundamentals
• How clustering dark energy affects matter perturbations
• Cosmological implications of scale-independent energy-momentum squared gravity: Pseudo nonminimal interactions in dark matter and relativistic relics
• Cosmic viscosity as a remedy for tension between PLANCK and LSS data
• A New Class of Parametrization for Dark Energy without Divergence
• Unveiling dark fifth forces with linear cosmology
• Holographic dark energy in a universe with spatial curvature and massive neutrinos: a full Markov Chain Monte Carlo exploration
• Cosmology with mirror dark matter II: Cosmic Microwave Background and Large Scale Structure
• Constraints on secret neutrino interactions after Planck
• CosmoSpec: Fast and detailed computation of the cosmological recombination radiation from hydrogen and helium
• Neutrinos in the holographic dark energy model: constraints from latest measurements of expansion history and growth of structure
• Dynamics of Linear Perturbations in the hybrid metric-Palatini gravity
• Cosmological constraints on coupled dark energy
• Small scale aspects of warm dark matter : power spectra and acoustic oscillations
• Forecasted 21 cm constraints on compensated isocurvature perturbations
• Reconciling Large And Small-Scale Structure In Twin Higgs Models
• Magnetized initial conditions for CMB anisotropies
• Observed galaxy number counts on the lightcone up to second order: II. Derivation
• Multiple Methods for Estimating the Bispectrum of the Cosmic Microwave Background with Application to the MAXIMA Data
• How closely do baryons follow dark matter on large scales?
• Structure formation with scalar field dark matter: the field approach
• Unified dark energy and dark matter from a scalar field different from quintessence
• Ultra-light Axions: Degeneracies with Massive Neutrinos and Forecasts for Future Cosmological Observations
• Generation of Magnetic Field in the Pre-recombination Era
• Non-linear hydrodynamics of axion dark matter: relative velocity effects and "quantum forces"
• Polarization-Temperature Correlation from a Primordial Magnetic Field
• Spherical collapse of dark energy with an arbitrary sound speed
• Cosmological direct detection of dark energy: non-linear structure formation signatures of dark energy scattering with visible matter
• Understanding the suppression of structure formation from dark matter$\unicode{x2013}$dark energy momentum coupling
• Perturbation evolution with a non-minimally coupled scalar field
• Warm Decaying Dark Matter and the Hubble Tension
• Accretion of a relativistic, collisionless kinetic gas into a Schwarzschild black hole
• Voids of dark energy
• Do the cosmological observational data prefer phantom dark energy?
• Spatial curvature and cosmological tests of general relativity
• Constraints on dark-matter properties from large-scale structure
• Cosmological perturbation theory for baryons and dark matter I: one-loop corrections in the RPT framework
• Future Constraints on Dynamical Dark-Energy using Gravitational-Wave Standard Sirens
• Cosmic microwave background constraints on secret interactions among sterile neutrinos
• Large-scale (in-) stability Analysis of an Exactly Solved Coupled Dark-Energy Model
• Search for Compensated Isocurvature Perturbations with Planck Power Spectra
• Cosmological constraints on Lorentz violating dark energy
• Crinkles in the last scattering surface: Non-Gaussianity from inhomogeneous recombination
• Unveiling the Dynamics of the Universe
• $\nu \mathrm{CO}N\mathrm{CEPT}$: Cosmological neutrino simulations from the non-linear Boltzmann hierarchy
• Light Axinos from Freeze-in: production processes, phase space distributions, and Ly-$\alpha$ forest constraints
• Full-sky maps for gravitational lensing of the CMB
• Entropy perturbations and large-scale magnetic fields
• Mirror Twin Higgs Cosmology: Constraints and a Possible Resolution to the $H_0$ and $S_8$ Tensions
• Testing Lorentz invariance of dark matter
• Searching for Modified Gravity: Scale and Redshift Dependent Constraints from Galaxy Peculiar Velocities
• Theoretical tools for CMB physics
• Nonlinear dynamics from the relativistic Boltzmann equation in the Friedmann-Lemaître-Robertson-Walker spacetime
• On structure formation from a small-scales-interacting dark sector
• Structure of Dark Matter Halos in Warm Dark Matter models and in models with Long-Lived Charged Massive Particles
• Rapid Calculation of Theoretical CMB Angular Power Spectra
• Signatures of Horndeski gravity on the Dark Matter Bispectrum
• An Effective Model for the Cosmic-Dawn 21-cm Signal
• Planck-scale quintessence and the physics of structure formation
• Testing Dark energy models in the light of ${\sigma }_8$ tension
• Constraining Fundamental Physics with Future CMB Experiments
• The 21 Centimeter Background from the Cosmic Dark Ages: Minihalos and the Intergalactic Medium before Reionization
• A general theory of linear cosmological perturbations: stability conditions, the quasistatic limit and dynamics
• Baryons do trace dark matter 380,000 years after the big bang: Search for compensated isocurvature perturbations with WMAP 9-year data
• Observational constraints of a new unified dark fluid and the $H_0$ tension
• Cosmological nonlinear hydrodynamics with post-Newtonian corrections
• Prospects for Constraining Neutrino Mass Using Planck and Lyman-Alpha Forest Data
• Cosmological constraints on deviations from Lorentz invariance in gravity and dark matter
• Cosmological constraints with self-interacting sterile neutrinos
• Latest astronomical constraints on some nonlinear parametric dark energy models
• Probing Dynamics of Dark Energy with Supernova, Galaxy Clustering and the Three-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations
• Constraints on quintessence scalar field models using cosmological observations
• The Formation of Cosmic Structures in a Light Gravitino Dominated Universe
• Updated constraints on decaying cold dark matter
• Multi-interacting dark energy and its cosmological implications
• Cosmic perturbations with running G and Lambda
• Testing interacting dark matter and dark energy model with cosmological data
• Spatial Variation of the Fine-Structure Parameter and the Cosmic Microwave Background
• Gauge-Invariant Initial Conditions and Early Time Perturbations in Quintessence Universes
• Dark Catalysis
• An extensive investigation of the Generalised Dark Matter model
• The full Boltzmann hierarchy for dark matter-massive neutrino interactions
• Forecasting Cosmic Doomsday from CMB/LSS Cross-Correlations
• Probing the imprints of generalized interacting dark energy on the growth of perturbations
• Gravity at the horizon: on relativistic effects, CMB-LSS correlations and ultra-large scales in Horndeski's theory
• New Interaction between Dark Energy and Dark Matter Changes Sign during Cosmological Evolution
• Preheating in Full General Relativity
• Bose Einstein condensation of the classical axion field in cosmology?
• A Multi-Parameter Investigation of Gravitational Slip
• Suite of Hydrodynamical Simulations for the Lyman-Alpha Forest with Massive Neutrinos
• Alleviating the cosmological constant problem from particle production
• Cosmological Constraints on Decaying Dark Matter
• Cosmological neutrinos
• Structure Formation with Scalar Field Dark Matter: The Fluid Approach
• The Evolution of Baryon Density Fluctuations in Multi-Component Cosmological Simulations
• Integrated Sachs Wolfe Effect and Rees Sciama Effect
• Primordial helium recombination III: Thomson scattering, isotope shifts, and cumulative results
• Testing Gravity on Cosmic Scales: A Case Study of Jordan-Brans-Dicke Theory
• The effect of Dark Matter and Dark Energy interactions on the peculiar velocity field and the kinetic Sunyaev-Zel'dovich effect
• $k$-evolution: a relativistic N-body code for clustering dark energy
• Creating Statistically Anisotropic and Inhomogeneous Perturbations
• Improved Treatment of Cosmic Microwave Background Fluctuations Induced by a Late-decaying Massive Neutrino
• Description of our cosmological spacetime as a perturbed conformal Newtonian metric and implications for the backreaction proposal for the accelerating universe
• How to relax the cosmological neutrino mass bound
• Dynamical Mutation of Dark Energy
• Effects of Unstable Dark Matter on Large-Scale Structure and Constraints from Future Surveys
• Unified Dark Fluid with Constant Adiabatic Sound Speed and Cosmic Constraints
• Evolution of the Cluster Mass Function: Gpc^3 Dark Matter Simulations
• Metastable dark energy models in light of Planck 2018: Alleviating the $H_0$ tension
• Higher-order massive neutrino perturbations in large-scale structure
• Relativistic wide-angle galaxy bispectrum on the light-cone
• Natural Inflation, Planck Scale Physics and Oscillating Primordial Spectrum
• Estimating relic magnetic fields from CMB temperature correlations
• Cannibal Dark Matter and Large Scale Structure
• Probing Decoupling in Dark Sectors with the Cosmic Microwave Background
• Cosmological perturbations in the Tsallis holographic dark energy scenarios
• Massive neutrino self-interactions and inflation
• An introduction to the relativistic kinetic theory on curved spacetimes
• Can Early Dark Energy be Detected in Non-Linear Structure?
• Spectral distortions from the dissipation of tensor perturbations
• Constraining the Primordial Magnetic Field from Cosmic Microwave Background Anisotropies at Higher Multipoles
• Cosmic Birefringence Test of the Hubble Tension
• Dark Matter Microhalos From Simplified Models
• CMB Anisotropies in the Presence of Extra Dimensions
• A First Glimpse of String Theory in the Sky?
• Dark energy and dark matter from cosmological observations
• How Late can the Dark Matter form in our universe?
• Long-lived Light Mediator to Dark Matter and Primordial Small Scale Spectrum
• Dynamical system analysis at background and perturbation levels: Quintessence in severe disadvantage comparing to $\Lambda$CDM
• The Integrated Sachs-Wolfe Effect in Interacting Dark Energy Models
• Reconstruction of the dark matter-vacuum energy interaction
• Fluctuations of cosmological birefringence and the effect on CMB B-mode polarization
• Cosmology with varying fundamental constants from hyperlight, coupled scalars
• Cosmological Perturbations in Elastic Dark Energy Models
• Environmental Influences on the Morphology and Dynamics of Group Size Haloes
• BBN And CMB Constraints On Dark Energy
• (1+3) Covariant Dynamics of Scalar Perturbations in Braneworlds
• Constraints on dark matter to dark radiation conversion in the late universe with DES-Y1 and external data
• Analysis of the Kamionkowski-Loeb method of reducing cosmic variance with CMB polarization
• Dynamics of Cosmological Perturbations in Position Space
• Figures of merit and constraints from testing General Relativity using the latest cosmological data sets including refined COSMOS 3D weak lensing
• New Parametrization for the Scale Dependent Growth Function in General Relativity
• Cosmological perturbations in an effective and genuinely phantom dark energy Universe
• Lyman-$\alpha$ forest constraints on interacting dark sectors
• A new perspective on the relation between dark energy perturbations and the late-time ISW effect
• Constraints on the Holographic Dark Energy Model from Type Ia Supernovae, WMAP7, Baryon Acoustic Oscillation and Redshift-Space Distortion
• Free-streaming and Coupled Dark Radiation Isocurvature Perturbations: Constraints and Application to the Hubble Tension
• COSMOS weak-lensing constraints on modified gravity
• Forecasting Interacting Vacuum-Energy Models using Gravitational Waves
• Position-Space Description of the Cosmic Microwave Background and Its Temperature Correlation Function
• Machine learning constraints on deviations from general relativity from the large scale structure of the Universe
• Towards a reliable calculation of relic radiation from primordial gravitational waves
• Neutrino lumps and the Cosmic Microwave Background
• Evolution of perturbations and cosmological constraints in decaying dark matter models with arbitrary decay mass products
• Primordial Neutrinos, Cosmological Perturbations in Interacting Dark-Energy Model: CMB and LSS
• Is the continuous matter creation cosmology an alternative to $\Lambda$CDM?
• Updating non-standard neutrinos properties with Planck-CMB data and full-shape analysis of BOSS and eBOSS galaxies
• Cosmic Magnetism in Centimeter and Meter Wavelength Radio Astronomy
• LTB solutions in Newtonian gauge: from strong to weak fields
• CMB anisotropies in the presence of a stochastic magnetic field
• Cosmology Intertwined: A Review of the Particle Physics, Astrophysics, and Cosmology Associated with the Cosmological Tensions and Anomalies
• The two-mode puzzle: Confronting self-interacting neutrinos with the full shape of the galaxy power spectrum
• CosmicNet II: Emulating extended cosmologies with efficient and accurate neural networks
• Jeans type instability of a complex self-interacting scalar field in general relativity
• Effect of Primordial Magnetic Field on Seeds for Large Scale Structure
• Theoretical and observational bounds on some interacting vacuum energy scenarios
• Primordial Black Holes from CDM Isocurvature Perturbations
• Fingerprinting Dark Energy III: distinctive marks of viscosity
• Stepped Partially Acoustic Dark Matter, Large Scale Structure, and the Hubble Tension
• Beyond the traditional Line-of-Sight approach of cosmological angular statistics
• Non-linear perturbations in scalar-tensor cosmologies
• Lyman-α Forest and Cosmic Weak Lensing in a Warm Dark Matter Universe
• Effective perfect fluids in cosmology
• The effect of early radiation in N-body simulations of cosmic structure formation
• Equation of State of Dark Matter after Planck Data
• Fully nonlinear and exact perturbations of the Friedmann world model
• Dynamical dark energy confronted with multiple CMB missions
• Observational constraints on cosmic neutrinos and dark energy revisited
• Confronting dark energy models mimicking $\Lambda$CDM epoch with observational constraints: future cosmological perturbations decay or future Rip?
• Footprints of Statistical Anisotropies
• The impact of dark energy perturbations on the growth index
• The Cosmological Evolution of Self-interacting Dark Matter
• Affine parameterization of the dark sector: costraints from WMAP5 and SDSS
• Constraints on $\gamma$-CDM interactions matching the Planck data precision
• Confronting interacting dark radiation scenarios with cosmological data
• The Gravitational-Wave contribution to the CMB anisotropies
• Cold New Early Dark Energy pulls the trigger on the $H_0$ and $S_8$ tensions: a simultaneous solution to both tensions without new ingredients
• Imprints of an extended Chevallier-Polarski-Linder parametrization on the large scale of our universe
• Effects of helical magnetic fields on the cosmic microwave background
• Ultra light bosonic dark matter and cosmic microwave background
• One Gravitational Potential or Two? Forecasts and Tests
• Extending the generalized Chaplygin gas model by using geometrothermodynamics
• Effects of Dark Energy Perturbations on Cosmological Tests of General Relativity
• 21 cm radiation - a new probe of variation in the fine structure constant
• No H_0 Assistance from Assisted Quintessence
• Isocurvature modes in the CMB bispectrum
• Memory burden effect mimics reheating signatures on SGWB from ultra-low mass PBH domination
• Implications of mirror dark matter kinetic mixing for CMB anisotropies
• A Dark Matter Trigger for Early Dark Energy Coincidence
• Using CMB spectral distortions to distinguish between dark matter solutions to the small-scale crisis
• Late Forming Dark Matter in Theories of Neutrino Dark Energy
• CMB $\mu$ distortion from primordial gravitational waves
• Galaxy clustering, CMB and supernova data constraints on $\varphi$CDM model with massive neutrinos
• Hubble tension in lepton asymmetric cosmology with an extra radiation
• Comprehensive Study of Neutrino-Dark Matter Mixed Damping
• Gauge transformation of scalar induced gravitational waves
• Microphysics of Early Dark Energy
• Fractional Dark Matter decay: cosmological imprints and observational constraints
• Wandering in the Lyman-alpha Forest: A Study of Dark Matter-Dark Radiation Interactions
• Unified model of baryonic matter and dark components
• Origin of Delta N_eff as a Result of an Interaction between Dark Radiation and Dark Matter
• On cosmological signatures of baryons-dark energy elastic couplings
• CMB power spectrum of Nambu-Goto cosmic strings
• Loop corrections to the power spectrum for massive neutrino cosmologies with full time- and scale-dependence
• Robustness of cosmic neutrino background detection in the cosmic microwave background
• Large-scale structure perturbation theory without losing stream crossing
• Background evolution and growth of structures in interacting dark energy through dynamical system analysis
• Galaxy Two-Point Correlation Function in General Relativity
• Impact of anisotropic stress of free-streaming particles on gravitational waves induced by cosmological density perturbations
• Precision CMB constraints on eV-scale bosons coupled to neutrinos
• On the road to discovery of relic gravitational waves: The TE and BB Correlations in the cosmic microwave background radiation
• A grounded perspective on New Early Dark Energy using ACT, SPT, and BICEP/Keck
• Observational constraints on Tsallis modified gravity
• Dark Energy in a Hyperbolic Universe
• Fluctuations in the CMB Induced by Cosmic Strings: Methods and Formalism
• The CMB spectrum in Cardassian models
• A cosmologically consistent millicharged dark matter solution to the EDGES anomaly of possible string theory origin
• Parameter dependence of magnetized CMB observables
• Cannibal domination and the matter power spectrum
• The SDSS-III Baryonic Oscillation Spectroscopic Survey: Constraints on the Integrated Sachs Wolfe effect
• Scale-Dependent Growth from a Transition in Dark Energy Dynamics
• WMAP 5-year constraints on lepton asymmetry and radiation energy density: Implications for Planck
• Structure Formation and Backreaction in Growing Neutrino Quintessence
• Non-linear gravitational clustering in scalar field cosmologies
• Cosmic Structure Formation with Kinetic Field Theory
• Probing Inflation and Dark Energy with Current Cosmological Observations
• Dynamics of neutrino lumps in growing neutrino quintessence
• Transfer matrices for magnetized CMB anisotropies
• CMB Lensing Constraints on Dark Energy and Modified Gravity Scenarios
• Gauge transformation of scalar induced tensor perturbation during matter domination
• Profiling Cold New Early Dark Energy
• Evolution of linear wave dark matter perturbations in the radiation-dominant era
• Cosmic Microwave Background Acoustic Peak Locations
• Proper-Time Hypersurface of Non-Relativistic Matter Flows: Galaxy Bias in General Relativity
• Perturbations in electromagnetic dark energy
• Cosmological Structure Formation Creates Large-Scale Magnetic Fields
• Comparison between the Logotropic and $\Lambda$CDM models at the cosmological scale
• Power Spectra to 1% Accuracy between Dynamical Dark Energy Cosmologies
• More accurate simulations with separate initial conditions for baryons and dark matter
• One $\mu$ to rule them all: CMB spectral distortions can probe domain walls, cosmic strings and low scale phase transitions
• Constraining the dynamical dark energy parameters: Planck-2013 vs WMAP9
• Probing Early Modification of Gravity with Planck, ACT and SPT
• Rayleigh scattering: blue sky thinking for future CMB observations
• The weak, the strong and the ugly -- A comparative analysis of interacting stepped dark radiation
• New MGCAMB tests of gravity with CosmoMC and Cobaya
• Dark matter velocity dispersion effects on CMB and matter power spectra
• On the dangers of using the growth equation on large scales in the Newtonian gauge
• The Intrinsic Matter Bispectrum in $\Lambda$CDM
• Describing massive neutrinos in cosmology as a collection of independent flows
• f(R) as a dark energy fluid
• Thermal Friction as a Solution to the Hubble and Large-Scale Structure Tensions
• Optimal polarisation equations in FLRW universes
• Three-Point Correlations in f(R) Models of Gravity
• Constraints on the epoch of dark matter formation from Milky Way satellites
• Formation of the Galactic stellar halo. Origin of the metallicity-eccentricity relation
• Wide-angle and relativistic effects in Fourier-space clustering statistics
• Exploring the Universe with Dark Light Scalars
• How sound are our ultra-light axion approximations?
• CMB anisotropy at degree angular scales and the thermal history of the Universe
• Massive neutrino self-interactions with a light mediator in cosmology
• Growth of matter perturbations in the extended viscous dark energy models
• Lensed CMB temperature and polarization maps from the Millennium Simulation
• Generalized CMB initial conditions with pre-equality magnetic fields
• The V-mode polarization of the Cosmic Microwave Background
• Suppressing CMB low multipoles with ISW effect
• Phantom scalar-tensor models and cosmological tensions
• Revival of the Deser-Woodard nonlocal gravity model: Comparison of the original nonlocal form and a localized formulation
• Cosmological perturbation theory in Generalized Einstein-Aether models
• Addressing the Hubble and $S_8$ Tensions with a Kinetically Mixed Dark Sector
• Imprint of Sterile Neutrinos in the Cosmic Microwave Background Radiation
• CMB anisotropies generated by a stochastic background of primordial magnetic fields with non-zero helicity
• Scaling Transformations and the Origins of Light Relics Constraints from Cosmic Microwave Background Observations
• The prospects for constraining dark energy with future X-ray cluster gas mass fraction measurements
• Computational Cosmology: from the Early Universe to the Large Scale Structure
• Dark matter from dark energy-baryonic matter couplings
• A new approach to cosmological structure formation with massive neutrinos
• Chaplygin gas in light of recent Integrated Sachs--Wolfe effect data
• Formulation and constraints on decaying dark matter with finite mass daughter particles
• New cosmological constraints on $f(T)$ gravity in light of full Planck-CMB and type Ia supernovae data
• IWDM: The fate of an interacting non-cold dark matter $-$ vacuum scenario
• A magnetized completion of the $\Lambda$CDM paradigm
• Axions: From Magnetars and Neutron Star Mergers to Beam Dumps and BECs
• Interacting quintessence in light of Generalized Uncertainty Principle: Cosmological perturbations and dynamics
• 1+3 Covariant Cosmic Microwave Background anisotropies I: Algebraic relations for mode and multipole representations
• The Effects of Rayleigh Scattering on the CMB and Cosmic Structure
• Non-linear dark energy clustering
• Accurate effective fluid approximation for ultralight axions
• Inflationary entanglement
• Geometric corrections to cosmological entanglement
• Global view of neutrino interactions in cosmology: The freestreaming window as seen by Planck
• Equivalence of cosmological observables in conformally related scalar tensor theories
• The primordial magnetic field in our cosmic backyard
• Constraints on the Primordial Magnetic Field from ${\sigma }_8$
• The Influence of Galaxy Formation Physics on Weak Lensing Tests of General Relativity
• A global fit study on the new agegraphic dark energy model
• Post-Newtonian Celestial Dynamics in Cosmology: Field Equations
• Computing model independent perturbations in dark energy and modified gravity
• Probing neutrino interactions and dark radiation with gravitational waves
• Improved Mixed Dark Matter Halo Model for Ultralight Axions
• Disentangling dark energy and cosmic tests of gravity from weak lensing systematics
• Spherical collapse and halo mass function in the symmetron model
• Cosmological tensor perturbations in the Randall-Sundrum model: evolution in the near-brane limit
• Cosmological constraints on non-adiabatic dark energy perturbations
• CMB temperature anisotropy at large scales induced by a causal primordial magnetic field
• Testing the warmness of dark matter
• Constraining the Nature of Dark Energy using the SKA
• Polarization of the Cosmic Microwave Background from Non-Uniform Reionization
• Boltzmann-Fokker-Planck formalism for dark-matter--baryon scattering
• Decaying Neutrinos and Large Scale Structure Formation
• Stringy Running Vacuum Model and current Tensions in Cosmology
• 1+3 Covariant Cosmic Microwave Background anisotropies II: The almost - Friedmann Lemaitre model
• General relativistic 'screening' in cosmological simulations
• Toward a concordance teleparallel Cosmology II: Linear perturbation
• The effective theory of fluids at NLO and implications for dark energy
• Cannibalism's lingering imprint on the matter power spectrum
• Model independent constraints on mass-varying neutrino scenarios
• Sound speed of scalar field dark energy: weak effects and large uncertainties
• Exploring circular polarization in the CMB due to conventional sources of cosmic birefringence
• Dark Before Light: Testing the Cosmic Expansion History through the Cosmic Microwave Background
• Effects of electrically charged dark matter on cosmic microwave background anisotropies
• Joint constraints on the lepton asymmetry of the Universe and neutrino mass from the Wilkinson Microwave Anisotropy Probe
• Do we need soft cosmology?
• CMB and matter power spectra with non-linear dark-sector interactions
• Physics of the cosmic microwave background anisotropy
• 4D Gauss-Bonnet gravity: cosmological constraints, $H_0$ tension and large scale structure
• High-resolution temporal constraints on the dynamics of dark energy
• Viscous Generalized Chaplygin Gas as a Unified Dark Fluid: Including Perturbation of Bulk Viscosity
• A short review on clustering dark energy
• Perturbations in a scalar field model with virtues of $\Lambda$CDM
• Anisotropies in the Cosmic Neutrino Background after WMAP 5-year Data
• Cosmological Constraints on the Gravitational Interactions of Matter and Dark Matter
• CMB circular and B-mode polarization from new interactions
• Neutrino mass bounds from cosmology
• Constraints on Dark Matter-Baryon Scattering from the Temperature Evolution of the Intergalactic Medium
• Dark Radiation and Decaying Matter
• Perturbations of ionization fractions at the cosmological recombination epoch
• New parametrization of the dark-energy equation of state with a single parameter
• Cosmological evolution of warm dark matter fluctuations II: Solution from small to large scales and keV sterile neutrinos
• Do cosmological data rule out $f(\mathcal{R})$ with $w\ne -1$?
• Differentiating CDM and Baryon Isocurvature Models with 21 cm Fluctuations
• The phenomenology of beyond Horndeski gravity
• Constraining SUSY with Heavy Scalars -- using the CMB
• Interacting Hot Dark Matter
• Fast simulations of cosmic large-scale structure with massive neutrinos
• Probing for the Cosmological Parameters with PLANCK Measurement
• Primordial black holes and gravitational waves from dissipation during inflation
• Self-heating of Strongly Interacting Massive Particles
• Cosmological consequences of classical flavor-space locked gauge field radiation
• On the growth of perturbations in interacting dark energy and dark matter fluids
• DBI models for the unification of dark matter and dark energy
• The cosmic neutrino background as a collection of fluids in large-scale structure simulations
• Efficient calculation of cosmological neutrino clustering with both linear and non-linear gravity
• Magnetic heating across the cosmological recombination era: Results from 3D MHD simulations
• Unified Dark Fluid with Constant Adiabatic Sound Speed: Including Entropic Perturbations
• Quantum entanglement in cosmology
• Clarifying transfer function approximations for the large-scale gravitational wave background in $\Lambda$CDM
• Dark neutrino interactions make gravitational waves blue
• Flavour specific neutrino self-interaction: $H_0$ tension and IceCube
• Smallest Remnants of Early Matter Domination
• Generation of Curvature Perturbations with Extra Anisotropic Stress
• Probing large-scale magnetism with the Cosmic Microwave Background
• Magnetic field generation from primordial black hole distributions
• A note on interacting holographic dark energy with a Hubble-scale cutoff
• Observational Constraints in Nonlocal Gravity: the Deser-Woodard Case
• Viscosity in cosmic fluids
• Implications of a frame dependent dark energy for the spacetime metric, cosmography, and effective Hubble constant
• Warm dark matter at small scales: peculiar velocities and phase space density
• Weak Gravitational Lensing as a Method to Constrain Unstable Dark Matter
• Consistency of LCDM with Geometric and Dynamical Probes
• Prior dependence of cosmological constraints on dark matter-radiation interactions
• Searching for the Dark Force with 21-cm Spectrum in Light of EDGES
• Spatial Curvature in $f(R)$ Gravity
• Kinetic Field Theory: Effects of momentum correlations on the cosmic density-fluctuation power spectrum
• Perturbation theory with dispersion and higher cumulants: non-linear regime
• Probing Axions through Tomography of Anisotropic Cosmic Birefringence
• Cosmological constraints from $\mu E$ cross-correlations
• Cosmology in Poincare gauge gravity with a pseudoscalar torsion
• Dark Matter in Cosmology
• Planck-PR4 anisotropy spectra show (better) consistency with General Relativity
• Relativistic dynamics compels a thermalized Fermi gas to a unique intrinsic parity eigenstate
• Cosmological evolution of warm dark matter fluctuations I: Efficient computational framework with Volterra integral equations
• Linear effects of perturbed recombination
• Initial conditions for cold dark matter particles and General Relativity
• Neutrinos in Non-linear Structure Formation - a Simple SPH Approach
• Fluctuating annihilation cross sections and the generation of density perturbations
• An exact model of conformal quintessence
• Addressing Astrophysical and Cosmological Problems With Secretly Asymmetric Dark Matter
• Dark Sectors with Mass Thresholds Face Cosmological Datasets
• Constraining cosmology with the cosmic microwave and infrared backgrounds correlation
• Frame dragging and Eulerian frames in General Relativity
• The tight-coupling approximation for baryon acoustic oscillations
• Shedding Light on Dark Matter and Neutrino Interactions from Cosmology
• From dark matter halos to pre-stellar cores: High resolution follow-up of cosmological Lyman-Werner simulations
• Properties and uncertainties of scalar field models of dark energy with barotropic equation of state
• Vacuum Condensate Picture of Quantum Gravity
• Ultra-light axions and the kinetic Sunyaev-Zel'dovich Effect
• The traces of anisotropic dark energy in light of Planck
• Modified gravity and cosmology with nonminimal (derivative) coupling between matter and the Einstein tensor
• Exploring extensions to the standard cosmological model and the impact of baryons on small scales
• Non-Gaussian Isocurvature Perturbations From Goldstone Modes Generated During Inflation
• Reconciling $S_8$: Insights from Interacting Dark Sectors
• Early Modified Gravity: Implications for Cosmology
• Resonant neutrino self-interactions and the $H_0$ tension
• A Model of Interacting Dark Matter and Dark Radiation for $H_0$ and ${\sigma }_8$ Tensions
• Perturbed Recombination from Dark Matter Annihilation
• Interacting dark sector from the trace-free Einstein equations: cosmological perturbations with no instability
• Inflation models in the light of self-interacting sterile neutrinos
• Towards a Realistic Model of Dark Atoms to Resolve the Hubble Tension
• Matter Power Spectra in Viable $f(R)$ Gravity Models with Dynamical Background
• Non-comoving Cosmology
• Constraints on self-interacting Bose-Einstein condensate dark matter using large-scale observables
• Constraining constant and tomographic coupled dark energy with low-redshift and high-redshift probes
• Linear perturbations in K-mouflage cosmologies with massive neutrinos
• A New Test of Dynamical Dark Energy Models and Cosmic Tensions in Hořava Gravity
• A Beginner's Guide to the Theory of CMB Temperature and Polarization Power Spectra in the Line-of-Sight Formalism
• Neutrino mass effects on vector and tensor CMB anisotropies in the presence of a primordial magnetic field
• Fluctuations in the Cosmic Microwave Background I: Form Factors and their Calculation in Synchronous Gauge
• The Cosmic Neutrino Background Anisotropy - Linear Theory
• No evidence for dynamical dark energy in two models
• Cosmic microwave background anisotropies in the timescape cosmology
• Photons and Baryons before Atoms: Improving the Tight-Coupling Approximation
• New Early Dark Energy as a solution to the $H_0$ and $S_8$ tensions
• Leptogenesis by curvature coupling of heavy neutrinos
• Constraints on running vacuum model with $H(z)$ and $f{\sigma }_8$
• On the importance of nonlinear couplings in large-scale neutrino streams
• Bounds on Neutrino Mass in Viscous Cosmology
• Matter Power Spectrum of Light Freeze-in Dark Matter: With or without Self-Interaction
• The effective field theory of multi-component fluids
• An exponential equation of state of dark energy in the light of 2018 CMB Planck data
• CMB in a box: causal structure and the Fourier-Bessel expansion
• Quintessence versus phantom dark energy: the arbitrating power of current and future observations
• Discrimination between Lambda-CDM, quintessence, and modified gravity models using wide area surveys
• Lagrangian theory for cosmic structure formation with vorticity: Newtonian and post-Friedmann approximations
• Numerical renormalization group-based approach to secular perturbation theory
• Biases on cosmological parameters by general relativity effects
• Transients from initial conditions based on Lagrangian perturbation theory in N-body simulations
• Observational constraints on soft dark energy and soft dark matter: challenging $\Lambda$CDM
• On general features of warm dark matter with reduced relativistic gas
• CMB spectra and bispectra calculations: making the flat-sky approximation rigorous
• Dark Energy Constraints in light of Pantheon SNe Ia, BAO, Cosmic Chronometers and CMB Polarization and Lensing Data
• A simple parametrisation for coupled dark energy
• Circular dichroism, magnetic knots and the spectropolarimetry of the Cosmic Microwave Background
• Growth of perturbations in dark energy parametrization scenarios
• Differentiating dark interactions with perturbation
• Dark Matter Minihalos from Primordial Magnetic Fields
• Phenomenology of Gravitational Aether as a solution to the Old Cosmological Constant Problem
• Current constraints on early and stressed dark energy models and future 21 cm perspectives
• Euclid: Constraining linearly scale-independent modifications of gravity with the spectroscopic and photometric primary probes
• Ballistic Dark Matter oscillates above $\Lambda$CDM
• Structure formation in a mixed dark matter model with decaying sterile neutrino: the 3.5 keV X-ray line and the Galactic substructure
• Dark D-Brane Cosmology: from background evolution to cosmological perturbations
• New probe of magnetic fields in the prereionization epoch. I. Formalism
• The effective gravitational decoupling between dark matter and the CMB
• Towards alleviating the $H_0$ and $S_8$ tensions with Early Dark Energy - Dark Matter drag
• Spectral distortions in the cosmic microwave background polarization
• Fluctuations in strongly coupled cosmologies
• Interacting dark energy after DESI DR2: a challenge for $\Lambda$CDM paradigm?
• The nonlinear evolution of baryonic overdensities in the early universe: Initial conditions of numerical simulations
• Quintessence with a constant equation of state in hyperbolic universes
• B polarization of cosmic background radiation from second-order scattering sources
• Cosmological perturbations: a new gauge-invariant approach
• The Imprint of Lithium Recombination on the Microwave Background Anisotropies
• Cosmological comoving behavior of the configurational entropy
• Interacting Scalar Radiation and Dark Matter in Cosmology
• The BAHAMAS project: Effects of a running scalar spectral index on large-scale structure
• Probing for Dynamics of Dark-Energy in Mass Varying Neutrinos: Cosmic Microwave Background Radiation and Large Scale Structure
• Testing distance duality with CMB anisotropies
• Constraints to Holographic Dark Energy Model via Type Ia Supernovae, Baryon Acoustic Oscillation and WMAP
• The effect of reionization on the CMB-density correlation
• Generalisation of the Kaiser Rocket effect in general relativity in the wide-angle galaxy 2-point correlation function
• Forecast constraints on Anisotropic Stress in Dark Energy using gravitational-waves
• Effects of neutrino mass and asymmetry on cosmological structure formation
• Baryon Physics and Tight Coupling Approximation in Boltzmann Codes
• Cosmic polarimetry in magnetoactive plasmas
• Neutrino mass tension or suppressed growth rate of matter perturbations?
• Photon-neutrino scattering and the B-mode spectrum of CMB photons
• Can decaying dark matter scenarios alleviate both $H_0$ and ${\sigma }_8$ tensions?
• Machine learning cosmic inflation
• Generating $\fnl$ at $\ell\lsim 60$
• Constraining gravity with a new precision $E_G$ estimator using Planck + SDSS BOSS
• Cosmological neutrino mass limit and the dynamics of dark energy
• A preference for dynamical phantom dark energy using one-parameter model with Planck, DESI DR1 BAO and SN data
• A Simple Analytic Treatment of Linear Growth of Structure with Baryon Acoustic Oscillations
• The QCD Axion: Some Like It Hot
• Second-order cosmological perturbations. I. Produced by scalar-scalar coupling in synchronous gauge
• Scalar Field Dark Matter
• Constraints on the generalized tachyon field models from latest observational data
• Ultralight dark photon as a model for early universe dark matter
• Pantheon+ constraints on dark energy and modified gravity: An evidence of dynamical dark energy
• Mixed Models with n>1 and Large Scale Structure constraints
• Hints of Neutrino Dark Matter scattering in the CMB? Constraints from the Marginalized and Profile Distributions
• Structure formation in $f(R)$ gravity: A distinguishing probe between the dark energy and modified gravity
• Constraints from High-Precision Measurements of the Cosmic Microwave Background: The Case of Disintegrating Dark Matter with $\Lambda$ or Dynamical Dark Energy
• Second-order cosmological perturbations. IV. Produced by scalar-tensor and tensor-tensor couplings during the radiation dominated stage
• Introduction to neutrino cosmology
• Second-order cosmological perturbations. II. Produced by scalar-tensor and tensor-tensor couplings
• Recombination Induced Softening and Reheating of the Cosmic Plasma
• Spherical collapse in Generalized Dark Matter models
• Scalar field-perfect fluid correspondence and nonlinear perturbation equations
• Testing Dark Matter Clustering with Redshift Space Distortions
• Density perturbation in an interacting holographic dark energy model
• Inhomogeneous reionization and the polarization of the cosmic microwave background
• Geodesic motion and phase-space evolution of massive neutrinos
• CMB with the background primordial magnetic field
• The effects of the small-scale behaviour of dark matter power spectrum on CMB spectral distortion
• Initial conditions for cosmological N-body simulations of the scalar sector of theories of Newtonian, Relativistic and Modified Gravity
• Cosmic microwave background polarization analysis
• Thomson scattering: One rate to rule them all
• Speeding Up Cosmological Boltzmann Codes
• The First Billion Years in Seconds: An Effective Model for the 21-cm Signal with Population III Stars
• Running Vacuum Cosmological Models: Linear Scalar Perturbations
• Anisotropy of the Cosmic Neutrino Background
• Linear and Second-Order Evolution of Cosmic Baryon Perturbations below 10^6 Solar Masses
• Scale-Dependent Newton's Constant G in the Conformal Newtonian Gauge
• Conversion of Gravitons into Dark Photons in Cosmological Dark Magnetic Fields
• The Integrated Sachs-Wolfe Effect in Interacting Dark Matter-Dark Energy Models
• Lensed Cosmic Microwave Background Constraints on Post-General Relativity Parameters
• Constraints on interacting dark energy revisited: implications for the Hubble tension
• Radiative transport of relativistic species in cosmology
• Lorentz invariance violation in the neutrino sector: a joint analysis from big bang nucleosynthesis and the cosmic microwave background
• An analytic approach to baryon acoustic oscillations
• Cluster Probes of Dark Energy Clustering
• Cosmology of an Axion-Like Majoron
• Adiabatic regularization and Green's function of a scalar field in de Sitter space: Positive energy spectrum and no trace anomaly
• Cosmologically viable generalized Einstein-Aether theories
• The effects on CMB power spectra and bispectra from the polarization rotation and its correlations with temperature and E-polarization
• Dark energy, integrated Sachs-Wolfe effect and large-scale magnetic fields
• Anisotropic CMB distortions from non-Gaussian isocurvature perturbations
• Reducing the $H_0$ Tension with Exponential Acoustic Dark Energy
• Topological Defects and CMB anisotropies : Are the predictions reliable ?
• Post-Newtonian Lagrangian Perturbation Approach to the Large-Scale Structure Formation
• Entropy of gravitationally collapsing matter in FRW universe models
• A No-Truncation Approach to Cosmic Microwave Background Anisotropies
• Constraining dark sector perturbations II: ISW and CMB lensing tomography
• Combined cosmological tests of a bivalent tachyonic dark energy scalar field model
• Probing early-universe phase transitions with CMB spectral distortions
• Shape of Dark Energy: Constraining Its Evolution with a General Parametrization
• Interacting Scalar fields: Dark matter and early dark energy
• Holographic energy density, dark energy sound speed, and tensions in cosmological parameters: $H_0$ and $S_8$
• Investigation of CMB constraints for dark matter-helium scattering
• Reconstructing a non-linear interaction in the dark sector with cosmological observations
• Boltzmann hierarchies for self-interacting warm dark matter scenarios
• ISiTGR: Testing deviations from GR at cosmological scales including dynamical dark energy, massive neutrinos, functional or binned parametrizations, and spatial curvature
• Is gravity getting weaker at low z? Observational evidence and theoretical implications
• Dark sector evolution in Horndeski models
• Observational status of the Galileon model general solution from cosmological data and gravitational waves
• Exploring compensated isocurvature perturbations with CMB spectral distortion anisotropies
• Finding structure in the dark: coupled dark energy, weak lensing, and the mildly nonlinear regime
• WIMP isocurvature perturbation and small scale structure
• Stable Large-Scale Perturbations in Interacting Dark-Energy Model
• Degeneracies in parametrized modified gravity models
• A gauge-invariant approach to interactions in the dark sector
• Cosmological Density Perturbations with a Scale-Dependent Newton's G
• Scaling Dark Energy
• A built-in scale in the initial spectrum of density perturbations: evidence from cluster and CMB data
• The Gravity of the Classical Klein-Gordon field
• Signatures of the neutrino thermal history in the spectrum of primordial gravitational waves
• DM particles: how warm they can be?
• Constraints on Generalized Dark Energy from Recent Observations
• Observational constraints on the fractal cosmology
• The Effects Of Relativistic Hidden Sector Particles on the Matter Power Spectrum
• A new approach to cosmological perturbations in f(R) models
• Kinetic theory of fermions in curved spacetime
• Cosmic Time Slip: Testing Gravity on Supergalactic Scales with Strong-Lensing Time Delays
• Bianchi spacetimes as super-curvature modes around isotropic cosmologies
• Direct tests of General Relativity under screening effect with galaxy-scale strong lensing systems
• Using GAMA to probe the impact of small-scale galaxy physics on nonlinear redshift-space distortions
• DISCO-DJ I: a differentiable Einstein-Boltzmann solver for cosmology
• On the Effects due to a Decaying Cosmological Fluctuation
• First constraints on non-minimally coupled Natural and Coleman-Weinberg inflation and massive neutrino self-interactions with Planck+BICEP/Keck
• Dark Energy Scaling from Dark Matter to Acceleration
• Confronting Dark Energy Anisotropic Stress
• Testing the nature of Dark Energy with Precision Cosmological constraints
• Analytic Spectra of CMB Anisotropies and Polarization Generated by Scalar Perturbations in Synchronous Gauge
• Dark Matter Decaying into a Fermi Sea of Neutrinos
• The Phase of the BAO on Observable Scales
• Constraints on a special running vacuum model
• ISW-LSS cross-correlation in coupled Dark Energy models with massive neutrinos
• Monopole Fluctuation of the CMB and its Gauge Invariance
• Effects of structure formation on the expansion rate of the Universe: An estimate from numerical simulations
• Axial Anomaly in Galaxies and the Dark Universe
• Manifestly Gauge Invariant Perturbations of Scalar-Tensor Theories of Gravity
• Probing for variation of neutrino mass with current observations
• Dark Degeneracy in DESI DR2: Interacting or Evolving Dark Energy?
• ISW effect as probe of features in the expansion history of the Universe
• Perturbations of the Yang-Mills field in the universe
• Gravity waves in parity-violating Copernican Universes
• Dark Energy Perturbations Revisited
• Circular polarization of cosmic photons due to their interactions with Sterile neutrino dark matter
• On the perturbation theory in spatially closed background
• Testing General Relativity Using the Evolution of Linear Bias
• Running cosmological constant with observational tests
• Revisiting the Instability Problem of Interacting Dark Energy Model in the Parametrized Post-Friedmann Framework
• Cosmological Tests of Gravity: A Future Perspective
• Evidence of dark energy in different cosmological observations
• Dissecting kinetically coupled quintessence: phenomenology and observational tests
• Abundance and properties of dark radiation from the cosmic microwave background
• Examining the Viability of Phantom Dark Energy
• Comprehensive Constraints on Dark Radiation Injection After BBN
• Entangled Scalar and Tensor Fluctuations during Inflation
• Observational constraints on interactions between dark energy and dark matter with momentum and energy transfers
• Cosmological effects of the Galileon term in Scalar-Tensor Theories
• CMB spectral distortions as solutions to the Boltzmann equations
• Deviation of geodesics and particle trajectories in a gravitational wave of the Bianchi type VI universe
• Axion dark matter with thermal friction
• The CMB in a Causal Set Universe
• Interacting dark energy in the dark $SU(2{)}_R$ model
• Point-splitting regularization of the stress tensor of a coupling scalar field in de Sitter space
• Smooth crossing of $w_{\Lambda }=-1$ line in a single scalar field model
• Spatial Periodicity of Galaxy Number Counts, CMB Anisotropy, and SNIa Hubble Diagram Based on the Universe Accompanied by a Non-Minimally Coupled Scalar Field
• Neutrino Dark Energy With More Than One Neutrino Species
• SU(2)${}_{\mathrm{CMB}}$ and the cosmological model: angular power spectra
• Looking for a twist: probing the cosmological gravitomagnetic effect via weak lensing-kSZ cross correlations
• Covariance of dark energy parameters and sound speed constraints from large HI surveys
• Dark matter self-interactions in the matter power spectrum
• Relativistic Corrections to the Growth of Structure in Modified Gravity
• Exploring neutrino interactions in light of present and upcoming galaxy surveys
• Cosmological Perturbations and Quasi-Static Assumption in $f(R)$ Theories
• Cosmological effects of coupled dark matter
• Cosmological post-Newtonian approximation compared with perturbation theory
• Why CMB physics?
• Cosmological constraints with the Effective Fluid approach for Modified Gravity
• Assessing the Effects of the Uncertainty in Reheating Energy Scale on Primordial Spectrum and CMB
• Neutrino winds on the sky
• Do Cosmological Perturbations Have Zero Mean?
• A comparison of the R_h=ct and LCDM cosmologies based on the observed halo mass function
• Matrix Formalism of Excursion Set Theory: A new approach to statistics of dark matter halo counting
• The Hantzsche-Wendt Manifold in Cosmic Topology
• Cosmological Perturbation Theory for streams of relativistic particles
• Dark Matter Cosmology with Varying Viscosity: a Possible Resolution to the $S_8$ Tension
• Cosmic Bose dark matter
• Cosmological perturbations in extended electromagnetism. General gauge invariant approach
• An accurate fluid approximation for massive neutrinos in cosmology
• The sensitivity of BAO Dark Energy Constraints to General Isocurvature Perturbations
• The Effective Fluid approach for Modified Gravity and its applications
• Evolution of the cosmic matter density field with a primordial magnetic field
• A possible signature of cosmic neutrino decoupling in the nHz region of the spectrum of primordial gravitational waves
• Hubble tension as a window on the gravitation of the dark matter sector: Exploration of a family of models
• ${\Lambda }_{\mathrm{s}}$CDM cosmology from a type-II minimally modified gravity
• Fully relativistic predictions in Horndeski gravity from standard Newtonian N-body simulations
• Simple numerical implementation of general dark energy models
• Effects of a primordial magnetic field with log-normal distribution on the cosmic microwave background
• Compressible hydromagnetic nonlinearities in the predecoupling plasma
• The magnitude of the non-adiabatic pressure in the cosmic fluid
• Too hot to handle? Analytic solutions for massive neutrino or warm dark matter cosmologies
• The CMB neutrino mass / vacuum energy degeneracy: a simple derivation of the degeneracy slopes
• Is it Mixed dark matter or neutrino masses?
• Second-order cosmological perturbations. III. Produced by scalar-scalar coupling during radiation-dominated stage
• Bound Dark Energy: towards understanding the nature of the Dark Energy
• Gravity and the Nonlinear Growth of Structure in the Carnegie-Spitzer-IMACS Redshift Survey
• Constraints on the Spacetime Dynamics of an Early Dark Energy Component
• Exact solution to perturbative conformal cosmology in the recombination era
• Probing Gravitational Slip with Strongly Lensed Fast Radio Bursts
• Dark Energy on Astrophysical Scales and Its Detection in the Milky Way
• Beyond Two Parameters: Revisiting Dark Energy with the Latest Cosmic Probes
• On the coupling between different species during recombination
• Theoretical foundations of the reduced relativistic gas in the cosmological perturbed context
• Cluster mass function in mixed models
• Massive Fermi Gas in the Expanding Universe
• How does pressure gravitate? Cosmological constant problem confronts observational cosmology
• Reionization by active sources and its effects on the cosmic microwave background
• CMB and Large Scale Structure as a test of Mixed Models with n>1
• Probing small-scale non-Gaussianity from anisotropies in acoustic reheating
• Gradient expansion, curvature perturbations and magnetized plasmas
• Perturbed dark energy: classical scalar field versus tachyon
• Bootstrapping from inflationary magnetogenesis to CMB initial conditions
• Non-adiabatic perturbations in Ricci dark energy model
• Improving the Lagrangian perturbative solution for cosmic fluid: Applying Shanks transformation
• Interacting parametrized post-Friedmann method
• B-modes from Post-inflationary Gravitational Waves Sourced by Axionic Instabilities at Cosmic Reionization
• Cosmological perturbations: non-cold relics without the Boltzmann hierarchy
• Cosmological evolutions in Tsujikawa model of $f(R)$ Gravity
• Kinetic Field Theory for Cosmic Structure Formation
• Effects of inflationary bubbles on the polarization and temperature anisotropies of the cosmic microwave background
• Freezing Out Early Dark Energy
• Cosmological perturbations without the Boltzmann hierarchy
• Implications of multi-axion dark matter on structure formation
• Reassessing Dust's Role in Forming the CMB
• Structure Formation in Non-local Bouncing Models
• Scalar field evolution at background and perturbation levels for a broad class of potentials
• Construction of Cosmic String Induced Temperature Anisotropy Maps with CMBFAST and Statistical Analysis
• Relativistic effects in the large-scale structure with effective dark energy fluids
• Constraining Decaying Dark Matter
• Cosmological perturbation and matter power spectrum in bimetric massive gravity
• Impact of freeze-in on dark matter isocurvature
• On the Quasi-Isotropic Inflationary Solution
• Large scale anisotropies on halo infall
• Probing the creatable character of perturbed Friedmann-Robertson-Walker universes
• Spherical Collapse Approach for Non-standard Dark Matter Models and Enhanced Early Galaxy Formation in JWST
• Symbolic Implementation of Extensions of the $\text{PyCosmo}$ Boltzmann Solver
• Reconstruction of CMB Temperature Anisotropies with Primordial CMB Induced Polarization in Galaxy Clusters
• Can acoustic and axion-like early dark energy still resolve the Hubble tension?
• Hybrid multi-fluid-particle simulations of the cosmic neutrino background
• Probing Ricci dark energy model with perturbations by using WMAP seven-year cosmic microwave background measurements, BAO and Type Ia supernovae
• Cosmic microwave background: polarization and temperature anisotropies from symmetric structures
• Cosmology in a certain vector-tensor theory of gravitation
• Testing consistency of ${\Omega }_b{h}^2$ in the Planck data
• Correlated Mixture Between Adiabatic and Isocurvature Fluctuations and Recent CMB Observations
• Beyond the Runge-Kutta-Wentzel-Kramers-Brillouin method
• Local transformations of units in Scalar-Tensor Cosmology
• The Einstein-Boltzmann equations revisited
• The exact analytical solution of the linear structure growth rate in LCDM cosmology and its cosmological applications
• Advanced Three Level Approximation for Numerical Treatment of Cosmological Recombination
• Ghost Dark Matter
• Revisiting Cardassian Model and Cosmic Constraint
• Space-Time Curvature Signatures in Bose-Einstein Condensates
• Cosmological Perturbation Analysis in a Scale Invariant Model of Gravity
• N-body lensed CMB maps: lensing extraction and characterization
• Three-dimensional and four-dimensional scalar, vector, tensor cosmological fluctuations and the cosmological decomposition theorem
• Degenerate Fermi gas perturbations at standard background cosmology
• Why we need to see the dark matter to understand the dark energy
• Multi-Messenger Astrophysics with the Cosmic Neutrino Background
• Cosmological perturbations in the $\Lambda$CDM-like limit of a polytropic dark matter model
• Observational constraints on running vacuum model
• Tachyonic vs Quintessence dark energy: linear perturbations and CMB data
• Detector-size Upper Bounds on Dark Hadron Lifetime from Cosmology
• Chameleon Early Dark Energy and the Hubble Tension
• A circular polarimeter for the Cosmic Microwave Background
• Scalar Dark Energy Models and Scalar-Tensor Gravity: Theoretical Explanations for the Accelerated Expansion of Present Universe
• Cosmological parameter determination from Planck and SDSS data in LambdaCHDM cosmologies
• Primordial power spectrum versus extension parameters beyond the standard model
• Joint 21-cm and CMB Forecasts for Constraining Self-Interacting Massive Neutrinos
• Gauge Issues in Extended Gravity and f(R) Cosmology
• Cosmic Microwave Background Anisotropy numerical solution (CMBAns) I: An introduction to $C_l$ calculation
• Cosmological Perturbations: Vorticity, Isocurvature and Magnetic Fields
• Isocurvature modes: joint analysis of the CMB power spectrum and bispectrum
• Endowing $\mathbf{\Lambda }$ with a dynamic nature: constraints in a spatially curved Universe
• Evolution of perturbation and power spectrum in a two-component ultralight axionic universe
• A Relativistic Interpretation of Bias in Newtonian Simulations
• Cosmological test of an extended quintessence model
• Perturbations and the Future Conformal Boundary
• Improved cosmological fits with quantized primordial power spectra
• Critique of the use of geodesics in astrophysics and cosmology
• Astrophysical Searches and Constraints on Ultralight Bosonic Dark Matter
• Self-Interacting Dark Matter in Cosmology: accurate numerical implementation and observational constraints
• Cosmological constraints on $\Lambda (\alpha )$CDM models with time-varying fine structure constant
• Visualizing Invisible Dark Matter Annihilation with the CMB and Matter Power Spectrum
• The Viability of Phantom Dark Energy as a Quantum Field in 1st-Order FLRW Space
• Cosmological parameters from Planck data in SU(2)${}_{\mathrm{CMB}}$, their local $\Lambda$CDM values, and the modified photon Boltzmann equation
• Dark Matter from freeze-in and its inhomogeneities
• On validity of the quasi-static approximation in scalar-tensor theories
• Probing a scale dependent gravitational slip with galaxy strong lensing systems
• Cosmological Perturbations During Radion Stabilization
• On Evidence for Elastic Interactions in the Dark Sector
• Accurate method for ultralight axion CMB and matter power spectra
• A solution to the S8 tension through neutrino-dark matter interactions
• A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations
• Simulation studies of dark energy clustering induced by the formation of dark matter halos
• Exact model of gravitational wave and pure radiation
• Limit on the dark matter mass from its interaction with photons
• Relic Cosmological Vector Fields and Inflationary Gravitational Waves
• An SU(2) gauge principle for the Cosmic Microwave Background: Perspectives on the Dark Sector of the Cosmological Model
• Probing Lepton Asymmetry with 21 cm Fluctuations
• Matter density perturbation and power spectrum in running vacuum model
• Probing Quintessence Potential with Future Cosmological Surveys
• More about a successful vector-tensor theory of gravitation
• Interacting photon-baryon fluid, warm dark matter and the first acoustic peak
• Unified dark fluid with fast transition: including entropic perturbations
• Primordial magnetic fields from self-ordering scalar fields
• Cosmological Ohm's law and dynamics of non-minimal electromagnetism
• Nonlinear structure formation in Bound Dark Energy
• Expressing the equation of state parameter in terms of the three dimensional cosmic shear
• Resonant neutrino self-interactions: Insights from the full shape galaxy power spectrum
• Impostor Among $\nu$s: Dark Radiation Masquerading as Self-Interacting Neutrinos
• Nature of Dark Energy and Polarization Measurements
• On the viability of a certain vector-tensor theory of gravitation
• Entropic mechanisms with generalized scalar fields in the Ekpyrotic universe
• Growth rate of matter perturbations as a probe of large-scale magnetism
• Lyman-alpha Heating of Inhomogeneous High-redshift Intergalactic Medium
• Analytic Fluid Approximation for Warm Dark Matter
• Structure Formation Constraints on Sommerfeld-Enhanced Dark Matter Annihilation
• Gauge Invariant Perturbation Analysis for Quintessence with an Exponential Potential
• Relaxing cosmological constraints on current neutrino masses
• Relativistic virial relation for cosmological structures
• Neutrinos in N-body simulations
• The Matter Power Spectrum of Dark Energy Models and the Harrison-Zel'dovich Prescription
• Gravitational wave probes of Barrow cosmology with LISA standard sirens
• Hubble parameter and related formulas for a Weyl scaling invariant dark energy action
• Non-Gaussianity of the density distribution in accelerating universes
• Growth of cosmic perturbations in the modified $f(R,T)$ gravity
• Second-order cosmological perturbations produced by scalar-scalar coupling during inflation stage
• Can inflationary models of cosmic perturbations evade the secondary oscillation test?
• Dynamics of cosmological perturbations in modified Brans-Dicke cosmology with matter-scalar field interaction
• Cosmological signatures of a Rapid Diluted Energy Density
• Revisiting coupled CDM-massive neutrino perturbations in diverse cosmological backgrounds
• Damping of gravitational waves in f(R) gravity
• Smallest Halos in Thermal Wino Dark Matter
• Probing Long-Range Forces Between Neutrinos with Cosmic Structures
• Initial conditions of the universe: A sign of the sine mode
• A strong broadband 21 cm cosmological signal from dark matter spin-flip interactions
• Hydrodynamics of ultralight complex scalar field dark matter and its impact on the growth of structure
• Inverting the Sachs-Wolfe Formula: an Inverse Problem Arising in Early-Universe Cosmology
• Using Gravitational Wave Signals to Disentangle Early Matter Dominated Epochs
• Non-linear density-velocity dynamics in $f(R)$ gravity from spherical collapse
• Optimal Boltzmann hierarchies with non-vanishing spatial curvature
• What Prevents Resolving the Hubble Tension through Late-Time Expansion Modifications?
• Non-linear curvature inhomogeneities and backreaction for relativistic viscous fluids
• Modified $f(R,T)$ theory in light of gravitational wave standard sirens
• A flexible parameterization to test early physics solutions to the Hubble tension with future CMB data
• Stability of small-scale baryon perturbations during cosmological recombination
• Resummed Kinetic Field Theory: a model of coupled baryonic and dark matter
• Cosmological constraints on Lorentz invariance violation in the neutrino sector
• Dark Matter-Radiation Scattering Enhances CMB Phase Shift through Dark Matter-loading
• Cosmological neutrino entropy changes due to flavor statistical mixing
• Conversations in the dark: cross-correlating birefringence and LSS to constrain axions
• Perturbative interaction approach to cosmological structure formation
• A Vishniac type contribution to the polarisation of the CMBR?
• Fourth-order perturbative equations in Lagrangian perturbation theory for a cosmological dust fluid
• Impact of a primordial magnetic field on cosmic microwave background $B$ modes with weak lensing
• Effective anisotropic stresses of the relic gravitons
• Probing General Relativity in galactic scales at z $\sim 0.3$
• Kinetic evolution and correlation of fluctuations in an expanding quark gluon plasma
• Cosmological Fluctuations on the Light Cone
• Orthogonal non-Gaussianity in DBI Galileon: prospect for Planck polarisation and post-Planck experiments
• Perturbation in an interacting dark universe
• Ultralight vector dark matter, anisotropies and cosmological adiabatic modes
• The parity-odd Intrinsic Bispectrum
• Fourier imaging of non-linear structure formation
• Early-Matter-Like Dark Energy and the Cosmic Microwave Background
• Cosmological perturbations with ultralight vector dark matter fields: numerical implementation in CLASS
• Exact solution to perturbative conformal cosmology from recombination until the current era
• Bound Dark Matter (BDM) towards solving the Small Scale Structure Problem
• Stochastic dark matter: Covariant Brownian motion from Planckian discreteness
• On the horizons in a viable vector-tensor theory of gravitation
• Transients from initial conditions based on Lagrangian perturbation theory in $N$-body simulations II: the effect of the transverse mode
• Remarks on the Theory of Cosmological Perturbation
• A note on the initial conditions within the effective field theory approach of cosmic acceleration
• Properties of subhalos in the interacting dark matter scenario
• A short review on Quintom dark energy theory
• Gauge invariant perturbations in teleparallel Horndeski gravity
• Nucleosynthetic signatures of primordial origin around supermassive black holes
• Primordial non-Gaussianity estimator: the inhomogeneous noise effect
• Power spectra in extended tachyon cosmologies
• Non-linear coupling in the dark sector as a running vacuum model
• Quasiadiabatic modes from viscous inhomogeneities
• CMB temperature trispectrum from accreting primordial black holes
• Linear Relativistic Corrections in the Spherical Fourier-Bessel Power Spectrum
• Enhanced Small-Scale Structure in the Cosmic Dark Ages
• Thermo-Coupled Early Dark Energy
• Magnetic field contribution to the last electron-photon scattering
• Spherical accretion of a collisionless kinetic gas into a generic static black hole
• Measuring the primordial curvature perturbations from the scalar induced gravitational waves
• Breaking the Single Clock Symmetry: measuring single-field inflation non-Gaussian features
• Constraining CMB physical processes using Planck 2018 data
• Secondary isocurvature perturbations from acoustic reheating
• The Effective Field Theory of Large Scale Structure for Mixed Dark Matter Scenarios
• Constraints on the Sum of Neutrino Masses from Cosmology and their impact on world neutrino data
• Spectral BBGKY: a scalable scheme for nonlinear Boltzmann and correlation kinetics
• Particle motion in weak relativistic gravitational fields
• Primordial Non-Gaussianity: Baryon Bias and Gravitational Collapse of Cosmic String Wakes
• Testing the coupling of dark radiations in light of the Hubble tension
• Non-Gaussianity of one-point distribution functions in extended Lagrangian perturbation theory
• Slow Diffusive Gravitational Instability Before Decoupling
• Non-adiabatic primordial fluctuations
• Measuring the primordial gravitational waves from cosmic microwave background and stochastic gravitational wave background observations
• Quintom Dark Energy: Future Attractor and Phantom Crossing in Light of DESI DR2 Observation
• Magnetization of fluid phonons and large-scale curvature perturbations
• Parametric-Resonance Production of QCD Axions
• Genus statistics on CMB polarization maps and cosmological parameters degeneracy
• Cosmic microwave background constraints on a decaying cosmological term related to the thermal evolution
• Comment on "Self-interacting Warm Dark Matter"
• Imprint of galactic rotation curves and metric fluctuations on the recombination era anisotropy
• Cosmology of Single Species Hidden Dark Matter
• Distinguishing thermal histories of dark matter from structure formation
• Euclid: Constraints on f(R) cosmologies from the spectroscopic and photometric primary probes
• Covariance of the One-Dimensional Mass Power Spectrum
• The Effect of Corner Modes in the Initial Conditions of Cosmological Simulations
• Constraining disformal couplings with Redshift Space Distortion
• Spectator stresses and CMB observables
• Rescuing Palindromic Universes with Improved Recombination Modelling
• Quantum Statistical Effects on Warm Dark Matter and the Mass Constraint from the Cosmic Structure at Small Scales
• Large-scale structure formation in cosmology with classical and tachyonic scalar fields
• PySCo: A fast Particle-Mesh $N$-body code for modified gravity simulations in Python
• Mapping luminous and dark matter in the Universe
• The frozen vanilla model: Exploring dark sector interactions with delta effective theories
• Rapid and accurate numerical evolution of linear cosmological perturbations with non-cold relics
• Solving an Interacting Quintessence Model with a Sound Horizon Initial Condition and its Observational Constraints
• Scalar and vector modes in inflation with antisymmetric tensor field
• Dark Secrets of Baryons: Illuminating Dark Matter-Baryon Interactions with JWST
• ${\mathbf{\Omega }}_1{\mathbf{\Omega }}_2$-$\mathbf{\Lambda }$CDM: A promising phenomenological extension of the standard model of cosmology
• An Inflationary Scenario Taking into Account of Possible Dark Energy Effects in the Early Universe
• Probing Primordial Symmetry Breaking with Cosmic Microwave Background Anisotropy
• C$\nu$B damping of primordial gravitational waves and the fine-tuning of the C$\gamma$B temperature anisotropy
• Has inflation really solved the problems of flatness and absence of relics?
• Minimal parameterizations for modified gravity
• Constraints on Dark Matter annihilation and Its Equation of State after Planck Data
• Analytic expressions for the background evolution of massive neutrinos and dark matter particles
• Viscous modes, isocurvature perturbations and CMB initial conditions
• Cosmological implications of electromagnetically interacting dark matter: milli-charged particles and atoms with singly and doubly charged dark matter
• Dark energy with oscillatory tracking potential: Observational Constraints and Perturbative effects
• Reconstructing the velocity field beyond the local universe
• Illuminating the Dark Sector: Understanding Modified Gravity Signatures with Cross-Correlations of Gravitational Waves and Large-Scale Structure
• Probing Interacting Dark Sectors with upcoming Post-Reionization and Galaxy Surveys
• Dynamical effects of the neutrino gravitational clustering at Planck angular scales
• Perturbation Theory in the Minimally Extended Varying Speed of Light (meVSL) Model
• A step in the right direction? Analyzing the Wess Zumino Dark Radiation solution to the Hubble tension
• Gravity of Cosmological Perturbations in the CMB
• The Angular Correlation Function as measured by the GLEAM-X Survey
• Inhomogeneous de Sitter Solution with Scalar Field and Perturbations Spectrum
• Modified Compton Effect and CMB Anisotropy
• On observational signatures of multi-fractional theory
• Constraining decaying dark matter with BOSS data and the effective field theory of large-scale structures
• Fluids in cosmology
• Non-Gaussianity of the density distribution in accelerating universes II:N-body simulations
• Layered dark structure with a Structuring Field: A $Z_4$-symmetric Inert Doublet-Singlet realization and implications for the $S_8$ tension
• Limits in late time conversion of cold dark matter into dark radiation
• CDM and Baryons as Distinct Fluids in a Linear Approximation for the Growth of Structure
• Quantum measurement schemes related to flavor-weighted energies
• Reproducing neutrino effects on the matter power spectrum through a degenerate Fermi gas approach
• Interpreting deviations between AR-VTG and GR
• Bias in the tensor-to-scalar ratio from self-interacting dark radiation
• WIMP decay as a possible Warm Dark Matter model
• Dark sector interactions in the $w\to -1$ limit: velocity locking in pure momentum exchange models
• Non-singular Bouncing Cosmology in $f(R,G,T)$--Quintom model
• Phantom Crossing with Quintom Models
• Living in a Non-Flat Universe: Theoretical Formalism
• Conformal invariant cosmological perturbations via the covariant approach: multicomponent universe
• Free Cosmic Density Bispectrum on Small Scales
• The Effects of Gravitational Slip on the Higher-Order Moments of the Matter Distribution
• Measuring the speed of scalar induced gravitational waves from observations
• Cosmic microwave background spectral distortions from Rayleigh scattering at second order
• Improved cosmological constraints on the neutrino mass and lifetime
• Sound Speed and Viscosity of Semi-Relativistic Relic Neutrinos
• Backreaction from inhomogeneous matter fields during large-scale structure formation
• Weak gravitational flexion in various spacetimes: Exotic lenses and modified gravity
• Probing small-scale baryon and dark matter isocurvature perturbations with cosmic microwave background anisotropies
• Streaming Velocity Effects on the Post-reionization 21 cm Baryon Acoustic Oscillation Signal
• Generalized Boltzmann hierarchy for massive neutrinos in cosmology
• The impact of the locally measured Hubble parameter on the mass of Sterile neutrino
• Doubly Logarithmic Corrections to Radiation Domination from CET Ω: Theory and Planck/BBN Constraints
• Constraints on the velocity dispersion of Dark Matter from Cosmology and new bounds on scattering from the Cosmic Dawn
• Nonlinear Effects in the Cosmic Microwave Background
• Cosmological Gravitational Waves from Ultralight Vector Dark Matter
• Freeze-in Dark Matter via Lepton Portal: Hubble Tension and Stellar Cooling
• Late-Transition Interacting Thawer Dark Energy: Model Definition and Benchmark Consistency Tests
• Revisiting observational constraints on coupled exponential quintessence with energy and momentum transfers: degeneracy with massive neutrinos
• Secondary gravitational waves against a strong gravitational wave in the Bianchi VI universe
• Probing Neutrino low energy and mass scales
• Dark Matter Recoupling
• Statistical consistency of sign-switching vacuum energy with cosmological observations
• Cosmological structure formation in complex scalar field dark matter versus real ultralight axions: a comparative study using CLASS
• Background-level reconstruction of scalar-field potentials from dark-energy histories and comparison with analytic potential families
• ABCMB: A Python+JAX Package for the Cosmic Microwave Background Power Spectrum
• Perturbations and stability conditions of k-essence and kinetic gravity braiding models in two-field measure theory
• Linear perturbations of an exact gravitational wave in the Bianchi IV universe
• What's Behind Acoustic Peaks in the Cosmic Microwave Background Anisotropies
• The frame-dragging vector potential on galaxy scales from Dark-Matter-only Newtonian $N$-body simulations
• Cosmological perturbations in Energy-Momentum Squared Gravity
• Slow neutrinos: non-linearity and momentum-space emulation
• Dynamical friction shear and rotation in Chaplygin cosmology
• Baryon-photon interactions in Resummed Kinetic Field Theory