The Clustering of the SDSS DR7 Main Galaxy Sample I: A 4 per cent Distance Measure at z=0.15

Abstract

We create a sample of spectroscopically identified galaxies with $z<0.2$ from the Sloan Digital Sky Survey (SDSS) Data Release 7, covering 6813 deg${}^2$. Galaxies are chosen to sample the highest mass haloes, with an effective bias of 1.5, allowing us to construct 1000 mock galaxy catalogs (described in Paper II), which we use to estimate statistical errors and test our methods. We use an estimate of the gravitational potential to "reconstruct" the linear density fluctuations, enhancing the Baryon Acoustic Oscillation (BAO) signal in the measured correlation function and power spectrum. Fitting to these measurements, we determine $D_V(z_{\mathrm{eff}}=0.15)=(664\pm 25)(r_d/r_{d,\mathrm{fid}})$ Mpc; this is a better than 4 per cent distance measurement. This "fills the gap" in BAO distance ladder between previously measured local and higher redshift measurements, and affords significant improvement in constraining the properties of dark energy. Combining our measurement with other BAO measurements from BOSS and 6dFGS galaxy samples provides a 15 per cent improvement in the determination of the equation of state of dark energy and the value of the Hubble parameter at $z=0$ ($H_0$). Our measurement is fully consistent with the Planck results and the $\Lambda$CDM concordance cosmology, but increases the tension between Planck$+$BAO $H_0$ determinations and direct $H_0$ measurements.

Accepted by MNRAS, distance likelihood is available in source files

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• Testing averaged cosmology with type Ia supernovae and BAO data
• The QCD Axion: Some Like It Hot
• Forecasts on interacting dark energy with standard sirens
• Investigating dark energy by electromagnetic frequency shifts
• Constraints from High-Precision Measurements of the Cosmic Microwave Background: The Case of Disintegrating Dark Matter with $\Lambda$ or Dynamical Dark Energy
• From 100 kpc to 10 Gpc: Dark Matter self-interactions before and after DESI
• Cluster counts III. $\Lambda$CDM extensions and the cluster tension
• Asymmetric dark matter with a spontaneously broken $U(1{)}^{\prime }$: self-interaction and gravitational waves
• Hints of Neutrino Dark Matter scattering in the CMB? Constraints from the Marginalized and Profile Distributions
• Momentum transfer in the dark sector and lensing convergence in upcoming galaxy surveys
• Eliminating polarization leakage effect for neutral hydrogen intensity mapping with deep learning
• Forecasting the Cross-Correlation of the CSST galaxy survey with the FAST HI Intensity Map
• Pantheon+ constraints on dark energy and modified gravity: An evidence of dynamical dark energy
• Probing cosmic acceleration by strong gravitational lensing systems
• The redshift dependence of Alcock-Paczynski effect: cosmological constraints from the current and next generation observations
• Testing f(R)-gravity models with DESI DR2 2025-BAO and other cosmological data
• Constraints on interacting dark energy revisited: implications for the Hubble tension
• Kinetically Coupled Scalar Fields Model and Cosmological Tensions
• The impact and mitigation of broad absorption line quasars in Lyman$-\alpha$ forest correlations
• Cosmology of an Axion-Like Majoron
• Discrepancy between cosmological and electroweak observables in Higgs Inflation
• A single parameterization for dark energy and modified gravity models
• Multipole expansion for 21cm Intensity Mapping power spectrum: forecasted cosmological parameters estimation for the SKA Observatory
• Cosmological constraints of Palatini $f(\mathcal{R})$ gravity
• Holographic energy density, dark energy sound speed, and tensions in cosmological parameters: $H_0$ and $S_8$
• Non-thermal neutrino-like hot dark matter in light of the $S_8$ tension
• Dynamics and statefinder analysis of a class of sign-changeable interacting dark energy scenarios
• Early dark energy constraints with late-time expansion marginalization
• Space-borne atom interferometric gravitational wave detections. Part I. The forecast of bright sirens on cosmology
• Revisiting signatures of thermal axions in nonstandard cosmologies
• No evidence for the evolution of mass density power-law index $\gamma$ from strong gravitational lensing observation
• Reconstructing a non-linear interaction in the dark sector with cosmological observations
• $f(T)$ cosmology in the regime of quasar observations
• Does the fraction of dark matter diminish with early dark energy?
• Joint Constraints on the Hubble Constant, Spatial Curvature, and Sound Horizon from the Late-time Universe with Cosmography
• $f(T,B)$ Gravity in the late Universe in the context of local measurements
• Dark Energy Survey: Galaxy Sample for the Baryonic Acoustic Oscillation Measurement from the Final Dataset
• Spatial curvature sensitivity to local $H_0$ from the Cepheid distance ladder
• First constraints on non-minimally coupled Natural and Coleman-Weinberg inflation and massive neutrino self-interactions with Planck+BICEP/Keck
• Constraining the emergent dark energy models with observational data at intermediate redshift
• Quantifying effects of inhomogeneities and curvature on gravitational wave standard siren measurements of $H(z)$
• The interaction of neutrinos with Phantom, Quintessence, and Quintum scalar fields and its effect on the formation of structures in the early Universe
• Reconstructing the Hubble parameter with future Gravitational Wave missions using Machine Learning
• A visual tool for assessing tension-resolving models in the $H_0$-${\sigma }_8$ plane
• A More Accurate Parameterization based on cosmic Age (MAPAge)
• Cosmological Parameter Estimation from the Two-Dimensional Genus Topology -- Measuring the Expansion History using the Genus Amplitude as a Standard Ruler
• Running cosmological constant with observational tests
• Prospects for weighing neutrinos in interacting dark energy models using joint observations of gravitational waves and $\gamma$-ray bursts
• Signatures of Light Massive Relics on nonlinear structure formation
• Cosmological effects of the Galileon term in Scalar-Tensor Theories
• Cosmological N-body simulations with generic hot dark matter
• The tension in the absolute magnitude of Type Ia supernovae
• Testing the consistency between cosmological measurements of distance and age
• Evidence of dark energy in different cosmological observations
• Investigating dark energy by electromagnetic frequency shifts II: the Pantheon+ sample
• Dissecting kinetically coupled quintessence: phenomenology and observational tests
• Constraining Holographic Dark Energy and Analyzing Cosmological Tensions
• The H0 trouble: Confronting Non-thermal Dark Matter and Phantom Cosmology with the CMB, BAO, and Type Ia Supernovae data
• Shan--Chen interacting vacuum cosmology
• One-parameter dynamical dark-energy from the generalized Chaplygin gas
• Comprehensive Constraints on Dark Radiation Injection After BBN
• Terrestrial Probes of Electromagnetically Interacting Dark Radiation
• Abundance and properties of dark radiation from the cosmic microwave background
• Constraints on small-scale primordial density fluctuation from cosmic microwave background through dark matter annihilation
• On The Distribution of Bayesian Evidences
• Explanation of high redshift luminous galaxies from JWST by early dark energy model
• Quintessential early dark energy
• Mitigating the binary viewing angle bias for standard sirens
• A PAge-like Unified Dark Fluid Model
• Observational Constraints on the Dark Energy with a Quadratic Equation of State
• The DESI One-Percent Survey: Modelling the clustering and halo occupation of all four DESI tracers with Uchuu
• Distance-duality in theories with a nonminimal coupling to gravity
• Scaling solutions as Early Dark Energy resolutions to the Hubble tension
• Constraining non-minimally coupled $\beta$-exponential inflation with CMB data
• The interacting vacuum and tensions: a comparison of theoretical models
• Hubble tension as a window on the gravitation of the dark matter sector: Exploration of a family of models
• Using the Mark Weighted Correlation Functions to Improve the Constraints on Cosmological Parameters
• Roles of sterile neutrinos in particle physics and cosmology
• Constraints on sterile neutrinos and the cosmological tensions
• Minihalos as probes of the inflationary spectrum: accurate boost factor calculation and new CMB constraints
• No evidence for EDE from Planck data in extended scenarios
• Exploring cosmological imprints of phantom crossing with dynamical dark energy in Horndeski gravity
• Late Time Modification of Structure Growth and the S8 Tension
• Breaking the baryon-dark matter degeneracy in a model-independent way through the Sunyaev-Zeldovich effect
• Cosmological implications of tracker scalar fields: Testing the evidence for dynamical dark energy with recent data
• Coupled Dark Sector Models and Cosmological Tensions
• Coupled dark energy model inspired from general conformal transformation
• Cosmological constraints from the redshift dependence of the volume effect using the galaxy 2-point correlation function across the line-of-sight
• Potentialities of Hubble parameter and expansion rate function data to alleviate Hubble tension
• Domain Wall Network: A Dual Solution for Gravitational Waves and Hubble Tension?
• Large-Distance Lens Uncertainties and Time-Delay Measurements of $H_0$
• Cosmology and CPT violating neutrinos
• Cosmological surveys with multi-object spectrographs
• Reconstructions of $f(\mathcal{P})$ and $f(\mathcal{Q})$ gravity models from $(m,n)$-type Barrow Holographic Dark Energy: Analysis and Observational Constraints
• Sound-Horizon-Agnostic Inference of the Hubble Constant and Neutrino Mass from BAO, CMB Lensing, and Galaxy Weak Lensing and Clustering
• Dynamical dark energy in light of cosmic distance measurements II: a study using current observations
• Is there another coincidence problem at the reionization epoch?
• Interacting dark energy constraints from the full-shape analyses of BOSS DR12 and DES Year 3 measurements
• Cosmological Constraints on Thermal Friction of Axion Dark Matter
• Low-Redshift Constraints on Covariant Canonical Gauge Theory of Gravity
• Model Selection with Baryonic Acoustic Oscillations in the Lyman-alpha Forest
• Cosmological Constraints using the newest VLT-KMOS HII Galaxies and the full Planck CMB spectrum
• Coupled Quintessence scalar field model in light of observational datasets
• Exploring Modified Gravity: Constraints on the $\mu$ and $\Sigma$ Parametrization with WMAP, ACT, and SPT
• A convenient approach to characterizing model uncertainty with application to early dark energy solutions of the Hubble tension
• Can acoustic and axion-like early dark energy still resolve the Hubble tension?
• Euclid: Testing the Copernican principle with next-generation surveys
• Testing the consistency of early and late cosmological parameters with BAO and CMB data
• Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets
• Deep Learning and genetic algorithms for cosmological Bayesian inference speed-up
• Analysis cosmological tachyon and fermion model and observation data constraints
• Combining strongly lensed and unlensed fast radio bursts: To be a more precise late-universe probe
• Revisiting holographic dark energy from the perspective of multi-messenger gravitational wave astronomy: future joint observations with short gamma-ray bursts
• Observational constraints on running vacuum model
• Constraints on Late Time Violations of the Equivalence Principle in the Dark Sector
• Late-Time Anisotropy Sourced by a 2-Form Field Non-Minimally Coupled to Cold Dark Matter
• Joint 21-cm and CMB Forecasts for Constraining Self-Interacting Massive Neutrinos
• Flatness without CMB - the Entanglement of Spatial Curvature and Dark Energy Equation of State
• Scalar Dark Energy Models and Scalar-Tensor Gravity: Theoretical Explanations for the Accelerated Expansion of Present Universe
• Constraints on dark energy from TDCOSMO & SLACS lenses
• Growth and Geometry Split in Light of the DES-Y3 Survey
• Investigating the dynamical models of cosmology with recent observations and upcoming gravitational-wave data
• Thermal WIMPs and the Scale of New Physics: Global Fits of Dirac Dark Matter Effective Field Theories
• Chameleon Early Dark Energy and the Hubble Tension
• cp3-bench: A tool for benchmarking symbolic regression algorithms tested with cosmology
• On tachyonic stability priors for dark energy
• Lower tensor-to-scalar ratio as possible signature of modified gravity
• Perturbation Theory Remixed: Improved Nonlinearity Modeling beyond Standard Perturbation Theory
• Constraining cosmological scaling solutions of a Galileon field
• Tachyonic vs Quintessence dark energy: linear perturbations and CMB data
• Axi-Higgs cosmology: Cosmic Microwave Background and cosmological tensions
• A New Probe of the High-z BAO scale: BAO tomography With CMB $\times$ LIM-Nulling Convergence
• Climbing out of the shadows: building the distance ladder with black hole images
• Impact of Low ell's on Large Scale Structure Anomalies
• One Extension to Explain Them All, One Scale-Invariant Spectrum to Test Them All, and in One Model Bind Them
• Elucidating Dark Energy with Future 21 cm Observations at the Epoch of Reionization
• Constraining neutrino mass in dynamical dark energy cosmologies with the logarithm parametrization and the oscillating parametrization
• Higgs Inflation: constraining the top quark mass and breaking the $H_0$-${\sigma }_8$ correlation
• Beyond dark energy Fisher forecasts: how DESI will constrain LCDM and quintessence models
• Scrutinizing coupled vector dark energy in light of data
• Addressing the $r_d$ Tension using Late-Time Observational Measurements in a Novel deceleration Parametrization
• Possible Impact of non-Gaussianities on cosmological constraints in neutrino physics
• A solution to the S8 tension through neutrino-dark matter interactions
• Can Baby Universe Absorption Explain Dark Energy?
• Holographic Dark Energy from the Anti-de Sitter Black Hole
• Prospects for searching for sterile neutrinos with gravitational wave and $\gamma$-ray burst joint observations
• Improving Constraint on ${\Omega }_m$ from SDSS Using Marked Correlation Functions
• Dark Energy with a Triplet of Classical U(1) Fields
• Observational constraints on inflection point quintessence with a cubic potential
• Redshift-space distortion constraints on the neutrino mass and models to alleviate the Hubble tension
• Observational Constraints on Extended Starobinsky and Weyl Gravity Model of Inflation
• Thermodynamics of Modified Chaplygin-Jacobi Gas and Modified Chaplygin-Abel Gas: Stability Analysis and Observational Constraints
• Hint of dark matter-dark energy interaction in DESI DR2 and current cosmological dataset?
• Observational Constraints on the Parameters of Hořava-Lifshitz Gravity
• The Seventeenth Data Release of the Sloan Digital Sky Surveys: Complete Release of MaNGA, MaStar and APOGEE-2 Data
• Improvement of cosmological constraints with the cross correlation between line-of-sight optical galaxy and FRB dispersion measure
• 2D BAO vs 3D BAO: Hints for new physics?
• Equality scale-based and sound horizon-based analysis of the Hubble tension
• Constraints on Metastable Dark Energy Decaying into Dark Matter
• Relaxing cosmological constraints on current neutrino masses
• Type Ia supernova constraints on compact object dark matter
• Deep learning for cosmological parameter inference from a dark matter halo density field
• Voids and Halos in Voids statistics as a probe of the Expansion History of the Universe
• Constraints on the phase transition of Early Dark Energy with the CMB anisotropies
• Cool dark sector, concordance, and a low ${\sigma }_8$
• Local Limit of Nonlocal Gravity: Cosmological Perturbations
• Exploring the Evolution of Nonlinear Electrodynamics in the Universe: A Dynamical Systems Approach
• Sound Horizon Independent Constraints on Early Dark Energy: The Role of Supernova Data
• Dark Matter-Radiation Scattering Enhances CMB Phase Shift through Dark Matter-loading
• Constraints on the non-minimally coupled Witten-O'Raifeartaigh inflation
• Structure Formation in Dark Matter Particle Production Cosmology
• Local Limit of Nonlocal Gravity: A Teleparallel Extension of General Relativity
• Cosmological Standard Timers from Unstable Primordial Relics
• Discerning Dark Energy Models with High-Redshift Standard Candles
• Prospects for cosmological research with the FAST array: 21-cm intensity mapping survey observation strategies
• Weak Lensing Constraints on Dark Matter-Baryon Interactions with $N$-Body Simulations and Machine Learning
• Reconstructions of Einstein-Aether Gravity from Barrow Agegraphic and New Barrow Agegraphic Dark Energy models: Examinations and Observational Limits
• Hints of the $H_0-r_d$ tension in uncorrelated Baryon Acoustic Oscillations dataset
• A glitch in gravity: cosmic Lorentz-violation from fiery Big Bang to glacial heat death
• The smearing scale in Laguerre reconstructions of the correlation function
• Improving SDSS cosmological constraints through $\beta$-skeleton weighted correlation functions
• Multi-messenger standard-siren cosmology for third-generation gravitational-wave detectors: forecasts considering observations of gamma-ray bursts and kilonovae
• Constraints on the varying electron mass and early dark energy in light of ACT DR6 and DESI DR2 and the implications for inflation
• Perturbation in an interacting dark universe
• Early dark energy in the pre- and post-recombination epochs
• Role of Future SNIa Data from Rubin LSST in Reinvestigating Cosmological Models
• Implications of Dynamical Dark Energy in the expansion of the Universe and the Structure Formation
• On the origin of the BAOtr-DESI tension
• A Semiblind Reconstruction of the History of Effective Number of Neutrinos Using CMB Data
• Updated neutrino mass constraints from galaxy clustering and CMB lensing-galaxy cross-correlation measurements
• Late Time Phenomena in $f(T,\mathcal{T})$ Gravity Framework: Role of $H_0$ Priors
• Pantheon+ tomography and Hubble tension
• The Gravitational Wave Bias Parameter from Angular Power Spectra: Bridging Between Galaxies and Binary Black Holes
• Gravitational Lensing of Dark Energy Models and $\Lambda$CDM Using Observational data in Loop Quantum Cosmology
• Observational constraints on cosmological parameters in the Bianchi type III Universe with f(R,T) gravity theory
• Cosmological Perturbations in the 5D Holographic Big Bang Model
• The Hydrogen Intensity and Real-time Analysis eXperiment: 256-Element Array Status and Overview
• Baryon acoustic oscillations from a joint analysis of the large-scale clustering in Fourier and configuration space
• Phenomenological power spectrum models for H$\alpha$ emission line galaxies from the Nancy Grace Roman Space Telescope
• Mixing Bispectrum Multipoles Under Geometric Distortions
• Dark Energy Constraints from Pantheon+ Ia Supernovae Data
• KiDS-Legacy: Constraints on Horndeski gravity from weak lensing combined with galaxy clustering and cosmic microwave background anisotropies
• Testing the coupling of dark radiations in light of the Hubble tension
• Anisotropic cosmology in Bumblebee gravity theory
• Baryon Acoustic Oscillations analyses with Density-Split Statistics
• Equivalence of Dark Energy Models: A Theoretical and Bayesian Perspective
• An Introduction to the Planck Mission
• Hubble Tension and Dark Energy in Teleparallel Gauss-Bonnet Gravity: New Constraints from DESI BAO, Pantheon${}^{+}$ and Hubble Data
• Observational constraints on inflationary potentials within the quantum collapse framework
• Measuring the primordial curvature perturbations from the scalar induced gravitational waves
• Reconciling cosmic dipolar tensions with a gigaparsec void
• The Correlation Function and Detection of Baryon Acoustic Oscillation Peak from the Spectroscopic SDSS GalWCat Galaxy Cluster Catalogue
• A frequentist view on the two-body decaying dark matter model
• On the Field Theoretical Description of an Alternative Model to Generalized Chaplygin Gas and its Thermodynamic Behaviour
• Mimicking the $\Lambda$CDM Universe through inhomogeneous space-time
• Role of Spatial Curvature in a Dark Energy Interacting Model
• FAST drift scan survey for HI intensity mapping: simulation on hunting HI filament with pairwise stacking
• The BINGO/ABDUS Project: Forecast for cosmological parameters from a mock Fast Radio Bursts survey
• Cuscuton-like contribution to dark energy evolution
• Toward Cosmological Standard Timers in Primordial Black Hole Binaries
• Studying baryon acoustic oscillations using photometric redshifts from the DESI Legacy Imaging survey DR9
• Constraining Axially Symmetric Bianchi Type I Model with Self-Consistent Recombination History and Observables
• Solving an Interacting Quintessence Model with a Sound Horizon Initial Condition and its Observational Constraints
• Can cosmic rotation resolve the Hubble tension? Constraints from CMB and large-scale structure
• Non-linear structure formation with elastic interactions in the dark sector
• KiDS-Legacy: Constraining dark energy, neutrino mass, and curvature
• Dark Energy Survey: DESI-Independent Angular BAO Measurement
• Mimetic Tensor-Vector-Scalar Cosmology: Incorporating Dark Matter, Dark Energy and Stiff Matter
• Derivative hierarchy as the origin of kernel-dependent trends in Gaussian process reconstructions of the hubble parameter
• A new pressure-parametric cosmological model
• Results and forecasts on cosmic inflation from weak lensing
• Can Dark Energy Emerge from a Varying $G$ and Spacetime Geometry?
• Gravitational Waves in a Closed Spacetime via Deviation Equation
• Probing gravity with the DES-CMASS sample and BOSS spectroscopy
• Neutrinos as a probe of curvature
• Cosmological Implications of a Neutrino Mass Detection
• Forecasts for cosmological measurements based on the angular power spectra of AGN and clusters of galaxies in the SRG/eROSITA all-sky survey
• Cosmological constraints from galaxy multi-tracers in the nearby Universe
• Detecting the neutrino mass and mass hierarchy from global data
• Unimodular Theory of Gravity in Light of the Latest Cosmological Data
• Power Suppression and Lensing Anomaly -- A phenomenological investigation
• The magnitude of the dark ages 21-cm signal in the context of existing early and late time constraints on $\Lambda$CDM
• Refitting cosmological data with neutrino mass and degeneracy
• Constraining decaying dark matter with BOSS data and the effective field theory of large-scale structures
• A step in the right direction? Analyzing the Wess Zumino Dark Radiation solution to the Hubble tension
• A New Paradigm for Testing Gravity: Theory-Independent Constraints Using Data From All Astrophysical and Cosmological Scales
• Generalized neutrino isocurvature
• Cosmological constraints on mass-varying dark matter
• Accelerating BAO Scale Fitting Using Taylor Series
• Model independent reconstruction of cosmological accelerated-decelerated phase
• Does the Reionization Model Influence the Constraints on Dark Matter Decay or Annihilation?
• Preliminary clustering properties of the DESI BGS bright targets using DR9 Legacy Imaging Surveys
• Cosmological measurements from the CMB and BAO are insensitive to the tail probability in the assumed likelihood
• Some Classes of Interacting Two-Fluid Model of the Expanding Universe
• Toward accurate measurement of property-dependent galaxy clustering: II. Tests of the smoothed density-corrected $V_{\max }$ method
• Dusty Clump Survival in Supernova Ejecta: Dust-Mediated Growth vs. Crushing by the Reverse Shock
• Sub-percentage measure of distances to redshift of 0.1 by a new cosmic ruler
• Dark Energy Survey Year 3 Results: Galaxy Sample for BAO Measurement
• Dissecting the $H_0$ and $S_8$ tensions with Planck + BAO + supernova type Ia in multi-parameter cosmologies
• Dark energy with oscillatory tracking potential: Observational Constraints and Perturbative effects
• Improved cosmological constraints on the neutrino mass and lifetime
• Combining Planck and SPT cluster catalogs: cosmological analysis and impact on Planck scaling relation calibration
• Enhancing Cosmological Constraints by Two-dimensional $\beta$-cosmic-web Weighted Angular Correlation Functions
• Gamma-Ray Bursts, Supernovae Ia and Baryon Acoustic Oscillations: a binned cosmological analysis
• Model-independent reconstruction of cosmic thermodynamics and dark energy dynamics
• Measuring the speed of scalar induced gravitational waves from observations
• Bayes' Theorem, Inflation, and the Ekpyrotic Universe
• A Quantum Genetic Algorithm with application to Cosmological Parameters Estimation
• Cosmological constraints from the density gradient weighted correlation function
• An Overview of CHIME, the Canadian Hydrogen Intensity Mapping Experiment
• Beyond thermal approximations: Precise cosmological bounds on Axion-Like Particles
• Revisiting the Matter Creation Process: Observational Constraints on Gravitationally Induced Dark Energy and the Hubble Tension
• SHARP VIII: J0924+0219 lens mass distribution and time-delay prediction through adaptive-optics imaging
• Testing Large-Scale Structure Measurements Against Fisher Matrix Predictions
• Bayesian evidence and model selection approach for time-dependent dark energy
• Perturbations In Some Dark Energy Models
• The $H_0$ and $S_8$ tensions necessitate early and late time changes to $\Lambda$CDM
• Inflation in a scalar-vector gravity theory
• Cosmography via stellar archaeology of low-redshift early-type galaxies from SDSS
• Measurements of cosmic expansion and growth rate of structure from voids in the Sloan Digital Sky Survey between redshift 0.07 and 1.0
• The impact of the locally measured Hubble parameter on the mass of Sterile neutrino
• Baryon Acoustic Oscillations in tomographic Angular Density and Redshift Fluctuations
• Fluctuations in the Ginzburg-Landau Theory of Dark Energy: internal (in-)consistencies in PLANCK data set
• Freeze-in Dark Matter via Lepton Portal: Hubble Tension and Stellar Cooling
• A speed limit on tachyon fields from cosmological and fine-structure data