Axions In String Theory

Abstract

In the context of string theory, axions appear to provide the most plausible solution of the strong CP problem. However, as has been known for a long time, in many string-based models, the axion coupling parameter F_a is several orders of magnitude higher than the standard cosmological bounds. We re-examine this problem in a variety of models, showing that F_a is close to the GUT scale or above in many models that have GUT-like phenomenology, as well as some that do not. On the other hand, in some models with Standard Model gauge fields supported on vanishing cycles, it is possible for F_a to be well below the GUT scale.

62 pages, v2; references, acknowledgements and minor corrections added

References in corpus (1)

• The QCD Axion and Moduli Stabilisation

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• BBN constraints on universally-coupled ultralight scalar dark matter
• Dark energy from approximate U(1)_{de} symmetry
• Prospects for axion detection in natural SUSY with mixed axion-higgsino dark matter: back to invisible?
• Thraxions: Ultralight Throat Axions
• Kerr black holes with synchronised axionic hair
• Searching for Ultralight Dark Matter Conversion in Solar Corona using Low Frequency Array Data
• Axion production and detection with superconducting RF cavities
• On Gauge Enhancement and Singular Limits in $G_2$ Compactifications of M-theory
• Axion-induced birefringence effects in laser driven nonlinear vacuum interaction
• Desensitizing Inflation from the Planck Scale
• Projected bounds on ALPs from Athena
• Strong CP problem and axion dark matter with small instantons
• Axions in String Theory $-$ Slaying the Hydra of Dark Radiation
• Dipole Radiation and Beyond from Axion Stars in Electromagnetic Fields
• Cosmic Axion Force
• The next non-Gaussianity frontier: what can a measurement with $\sigma (f_{\mathrm{NL}})\lesssim 1$ tell us about multifield inflation?
• Musings on cosmological relaxation and the hierarchy problem
• Constraining axion-like particles using the white dwarf initial-final mass relation
• Searching for axion-like particles at future electron-positron colliders
• Axion-Photon Conversion of LHAASO Multi-TeV and PeV Photons
• Searching for Axion-Like Particles with the Blazar Observations of MAGIC and Fermi-LAT
• On the Sensitivity of Spin-Precession Axion Experiments
• First Constraints on the Photon Coupling of Axion-like Particles from Multimessenger Studies of the Neutron Star Merger GW170817
• Comparing Instrument Spectral Sensitivity of Dissimilar Electromagnetic Haloscopes to Axion Dark Matter and High Frequency Gravitational Waves
• Unequal-mass boson-star binaries: Initial data and merger dynamics
• Axions in a highly protected gauge symmetry model
• Axiverse cosmology and the energy scale of inflation
• How sound are our ultra-light axion approximations?
• On The Warped Heterotic Axion
• Gravitational Waves from an Axion-Dark Photon System: A Lattice Study
• Finding eV-scale Light Relics with Cosmological Observables
• Addressing the Hubble and $S_8$ Tensions with a Kinetically Mixed Dark Sector
• Cooling binary neutron star remnants via nucleon-nucleon-axion bremsstrahlung
• A search for axion-like particles in light-by-light scattering at the CLIC
• Modular invariant inflation
• Seeing the Invisible Axion in the Sparticle Spectrum
• Double Monodromy Inflation: A Gravity Waves Factory for CMB-S4, LiteBIRD and LISA
• Optical properties of dynamical axion backgrounds
• Geometrical Destabilisation of Ultra-Light Axions in String Inflation
• Probing angle of birefringence due to long range axion hair from pulsars
• Axions: From Magnetars and Neutron Star Mergers to Beam Dumps and BECs
• Possible evidence of QCD axion stars in HSC and OGLE microlensing events
• Cosmological spectrum of two-point correlation function from vacuum fluctuation of Stringy Axion field in De Sitter space: A study of the role of Quantum Entanglement
• Implications of Canonical Gauge Coupling Unification in High-Scale Supersymmetry Breaking
• Axiology
• Accurate effective fluid approximation for ultralight axions
• Next generation design and prospects for CANNEX
• Inflation Assisted by Heterotic Axions
• Torsion in string-inspired cosmologies and the universe dark sector
• Cosmological Moduli Problem in Low Cutoff Theory
• Adiabatically compressed wave dark matter halo and intermediate-mass ratio inspirals
• What can a GNOME do? Search targets for the Global Network of Optical Magnetometers for Exotic physics searches
• Axion-Photon Conversion in 3D Media and Astrophysical Plasmas
• Axion global fits with Peccei-Quinn symmetry breaking before inflation using GAMBIT
• First Scan Search for Dark Photon Dark Matter with a Tunable Superconducting Radio-Frequency Cavity
• Constraining effective quantum gravity with LISA
• Novel constraints on fifth forces and ultralight dark sector with asteroidal data
• Constraining heavy axion-like particles by energy deposition in Globular Cluster stars
• The Gravitational Afterglow of Boson Stars
• Constraints on axion-like particles with the Perseus Galaxy Cluster with MAGIC
• Compact heterotic orbifolds in blow-up
• Axions, Inflation and the Anthropic Principle
• Precision calculation of the axion-nucleon coupling in chiral perturbation theory
• Hairy Taub-NUT/Bolt-AdS solutions in Horndeski theory
• Searching for Axion-Like Particles with X-ray Polarimeters
• The initial mass-final luminosity relation of type II supernova progenitors. Hints of new physics?
• Cosmological tests of an axiverse-inspired quintessence field
• Microlensing constraints on axion stars including finite lens and source size effects
• Dark Glueballs and their Ultralight Axions
• Slow nucleation rates in Chain Inflation with QCD Axions or Monodromy
• Improved Mixed Dark Matter Halo Model for Ultralight Axions
• Stringy Running Vacuum Model and current Tensions in Cosmology
• Gravitational lensing $H_0$ tension from ultralight axion galactic cores
• Axion/Hidden-Photon Dark Matter Conversion into Condensed Matter Axion
• Effective field theory and keV lines from dark matter
• S-Track Stabilization of Heterotic de Sitter Vacua
• Tests of Neutrino and Dark Radiation Models from Galaxy and CMB surveys
• Gravitational waves and neutrino oscillations in Chern-Simons axion gravity
• Constraints on nature of ultra light dark matter particles with 21cm forest
• Some necessary conditions for allowing the PQ scale as high as M_{GUT} in SUSY models with an axino or neutralino LSP
• The QCD Axion and Unification
• Analytic three-dimensional primary hair charged black holes and thermodynamics
• Pulsar Timing Residual induced by Wideband Ultralight Dark Matter with Spin 0, 1, 2
• A Hunt for Magnetic Signatures of Hidden-Photon and Axion Dark Matter in the Wilderness
• Search for Two-Photon Interaction with Axionlike Particles Using High-Repetition Pulsed Magnets and Synchrotron X Rays
• Relaxing Isocurvature Bounds on String Axion Dark Matter
• Moduli Stabilisation and the Statistics of Axion Physics in the Landscape
• Systematics of Aligned Axions
• Post-inflationary axions: a minimal target for axion haloscopes
• Two-Scalar Bose-Einstein Condensates: From Stars to Galaxies
• First indirect detection constraints on axions in the Solar basin
• Signatures of Ultralight Bosons in Compact Binary Inspiral and Outspiral
• Natural Higgs-flavor-democracy solution of the mu problem of supersymmetry and the QCD axion
• Axion configurations around pulsars
• Primordial Black Holes and Gravitational Waves in Multi-Axion-Chern-Simons Inflation
• Timelike bound orbits and pericenter precession around black hole with conformally coupled scalar hair
• Precision axion physics with running axion couplings
• Predictions for the Abundance of High-redshift Galaxies in a Fuzzy Dark Matter Universe
• Chiral primordial blue tensor spectra from the axion-gauge couplings
• Probing Virtual Axion-Like Particles by Precision Phase Measurements
• On Supersymmetric Effective Theories of Axion
• Cosmological Problems with Multiple Axion-like Fields
• Poynting vector controversy in axion modified electrodynamics
• Trapping Effect for QCD Axion Dark Matter
• Formation of Chiral Soliton Lattice
• Dark Matter Candidates and Searches
• Searching for dark-matter waves with PPTA and QUIJOTE pulsar polarimetry
• The Stochastic Axiverse
• Axion and Neutralinos from Supersymmetric Extensions of the Standard Model with anomalous U(1)'s
• Axion Inflation and Affleck-Dine Baryogenesis
• New astrophysical bounds on ultralight axionlike particles
• ALP dark matter with non-periodic potentials: parametric resonance, halo formation and gravitational signatures
• Classification of Abelian domain walls
• Maglev for Dark Matter: Dark-photon and axion dark matter sensing with levitated superconductors
• Search for ultralight scalar dark matter with NANOGrav pulsar timing arrays
• Searching for axion forces with precision precession in storage rings
• Reionization during the dark ages from a cosmic axion background
• Resonant Regeneration in the Sub-Quantum Regime -- A demonstration of fractional quantum interference
• Axion Isocurvature Perturbations in Low-Scale Models of Hybrid Inflation
• Cosmology of Axions and Moduli: A Dynamical Systems Approach
• Kick it like DESI: PNGB quintessence with a dynamically generated initial velocity
• Evolution of diffuse scalar clouds around binary black holes
• Cosmological Simulations of Two-Component Wave Dark Matter
• A Heterotic QCD Axion
• Natural Inflation and Low Energy Supersymmetry
• Axion Protection from Flavor
• Adiabatic evolution of the self-interacting axion field around rotating black holes
• Limits on Dark Photons, Scalars, and Axion-Electromagnetodynamics with The ORGAN Experiment
• What if ALP dark matter for the XENON1T excess is the inflaton
• Supersizing axions with small size instantons
• Theta in new QCD-like sectors
• ALP induced polarization effects on photons from galaxy clusters
• Accessing the axion via compact object binaries
• 3.5 keV X-ray line and R-Parity Conserving Supersymmetry
• Ultra-light axions and the kinetic Sunyaev-Zel'dovich Effect
• Connecting the Extremes: A Story of Supermassive Black Holes and Ultralight Dark Matter
• A Tale of Two Timescales: Mixing, Mass Generation, and Phase Transitions in the Early Universe
• Axions as Hot and Cold Dark Matter
• Photon-photon physics at the LHC and laser beam experiments, present and future
• New Early Dark Energy as a solution to the $H_0$ and $S_8$ tensions
• Spinning Black Holes with Axion Hair
• Constraints on axion-like polarization oscillations in the cosmic microwave background with POLARBEAR
• Consistency of the string inspired electroweak axion with cosmic birefringence
• Slaying Axion-Like Particles via Gravitational Waves and Primordial Black Holes from Supercooled Phase Transition
• Electromagnetic instability of compact axion stars
• Constraining axion-like particles with the diffuse gamma-ray flux measured by the Large High Altitude Air Shower Observatory
• Geometric Baryogenesis from Shift Symmetry
• Resonant instability of axionic dark matter clumps
• Observational prospects of self-interacting scalar superradiance with next-generation gravitational-wave detectors
• Constraints on axionic fuzzy dark matter from light bending and Shapiro time delay
• Inflation Based on the Tsallis Entropy
• Axion Periodicity and Coupling Quantization in the Presence of Mixing
• Supernova limits on 'QCD axion-like particles'
• Nonlinear resonant oscillation of gravitational potential induced by ultralight axion in $f(R)$ gravity
• Pulsar timing signal from ultralight axion in $f(R)$ theory
• Axion emission from strange matter in core-collapse SNe
• The axion-baryon coupling in SU(3) heavy baryon chiral perturbation theory
• Probing high-energy solar axion flux with a large scintillation neutrino detector
• Entropy production by domain wall decay in the NMSSM
• Updated Bounds on Axion-Like Particles from X-ray Observations
• A Hint of a Blue Axion Isocurvature Spectrum?
• Probing cosmic strings by reconstructing polarization rotation of the cosmic microwave background
• Photon-ALP oscillations inducing modifications to photon polarization
• Direct-collapse supermassive black holes from relic particle decay
• Constraints on Early Dark Energy from the Axion Weak Gravity Conjecture
• The Scale of Inflation in the Landscape
• Nonperturbative structure in coupled axion sectors and implications for direct detection
• $\mathbf{O}(D,D)$ completion of the Friedmann equations
• Dynamical axion misalignment with small instantons
• Black hole formation in relativistic Oscillaton collisions
• Searching for Low-Mass Axions using Resonant Upconversion
• The QCD Axion: A Unique Player in the Axiverse with Mixings
• Unitarity constraints on ALP interactions
• Superheavy Dark Matter from String Theory
• First results of the Laser-Interferometric Detector for Axions (LIDA)
• Coherent Detection of Ultra-weak Electromagnetic Fields
• Light axions with large hadronic couplings
• Neutrino interactions with ultralight axion-like dark matter
• Gravitational decoupling for hairy black holes in asymptotically AdS spacetimes
• Photon-ALP interaction as a measure of initial photon polarization
• Search for ultralight dark matter in the SuperMAG high-fidelity dataset
• Axion dark matter-induced echo of supernova remnants
• Natural Inflation from Near Alignment in Heterotic String Theory
• Polarized light-by-light scattering at the CLIC induced by axion-like particles
• Can ultralight dark matter explain the age-velocity dispersion relation of the Milky Way disc: A revised and improved treatment
• Thraxions: Towards Full String Models
• Electromagnetic waves propagating in the string axiverse
• Axion Landscape Cosmology
• Self-Interacting Gravitational Atoms in the Strong-Gravity Regime
• Cosmologically probing ultra-light particle dark matter using 21 cm signals
• Importance of being nonminimally coupled: Scalar Hawking radiation from regular black holes
• Time reversal and $\mathbf{CP}$ invariance in Calabi-Yau compactifications
• A new calculation of semi-exclusive axion-like particle production at the LHC
• Constraints on fifth forces and ultralight dark matter from OSIRIS-REx target asteroid Bennu
• Constraints on Axion-like Particles from the Observation of GRB 221009A by LHAASO
• Altered Axion Abundance from a Dynamical Peccei-Quinn Scale
• Searches for exotic spin-dependent interactions with spin sensors
• CMB probes on the correlated axion isocurvature perturbation
• The axion dark matter echo: a detailed analysis
• Stability of Axion Dark Matter-Photon Conversion
• Toric G_2 and Spin(7) holonomy spaces from gravitational instantons and other examples
• Natural Inflation with Natural Trans-Planckian Axion Decay Constant from Anomalous $U(1{)}_X$
• Angular Momentum and the Absence of Vortices in the Cores of Fuzzy Dark Matter Haloes
• TeV-Scale strings
• Axion Echos from the Supernova Graveyard
• Hessian eigenvalue distribution in a random Gaussian landscape
• Constraints on Massive Axion-Like Particles from X-ray Observations of NGC1275
• Geometrical origins of the Universe dark sector: string-inspired torsion and anomalies as seeds for inflation and dark matter
• Axion-like particle oscillations
• Absorption of Axion Dark Matter in a Magnetized Medium
• Late Time Acceleration of the 3-Space in a Higher Dimensional Steady State Universe in Dilaton Gravity
• Superradiance in Stars: Non-equilibrium approach to damping of fields in stellar media
• Axion induced angular momentum reversal in Kerr-like black holes
• Antisymmetric Tensor Fields in Codimension Two Brane-World
• Rigour and Rigidity: Systematics on particle physics D6-brane models on Z(2)xZ(6)
• The Piezoaxionic Effect
• Diluted Axion Star Collisions with Neutron Stars
• Time-averaging axion-like interacting scalar fields models
• Supersymmetry in the shadow of photini
• Induced Domain Walls of QCD Axion, and Gravitational Waves
• Axionic Dark Radiation and the Milky Way's Magnetic Field
• Probing the Scale of ALP Interactions with Fermi Blazars
• Chaotic motion of scalar particle coupling to Chern-Simons invariant in Kerr black hole spacetime
• On the applicability of the Landau-Zener formula to axion-photon conversion
• Emergent/Composite axions
• Exploring ALPs beyond the canonical
• Light Axiodilatons: Matter Couplings, Weak-Scale Completions and Long-Distance Tests of Gravity
• Chiral gravitational waves and primordial black holes in UV-protected Natural Inflation
• Searching for axion dark matter with MeerKAT Radio Telescope
• Axion stars in MGD background
• Early-Time Measure in Eternal Inflation
• $p-$forms non-minimally coupled to gravity in Randall-Sundrum scenarios
• The Holographic QCD Axion
• The Axiverse induced Dark Radiation Problem
• Non-derivative Axionic Couplings to Nucleons at large and small N
• Light bosons and photospheric solutions to the solar abundance problem
• Physical Signatures of Fermion-Coupled Axion Dark Matter
• PBH assisted search for QCD axion dark matter
• A Soliton Solution for the Central Dark Masses in 47- Tuc Globular Cluster and Implications for the Axiverse
• Search for di-photon decays of an axion-like particle in radiative $J/\psi$ decays
• Axion-mediated Transport of Fast Radio Bursts Originating in Inner Magnetospheres of Magnetars
• Quantum tunneling rate of dilute axion stars close to the maximum mass
• Torsion at different scales: from materials to the Universe
• Using the shadow of a black hole to examine the energy exchange between axion matter and a rotating black hole
• The Quality/Cosmology Tension for a Post-Inflation QCD Axion
• Open string axions and the flavor problem
• Supersymmetric Field Theory in 2T-physics
• New Physics Search at the CEPC: a General Perspective
• Near-horizon microstructure and superradiant instability of black holes
• 21cm forest probes on the axion dark matter in the post-inflationary Peccei-Quinn symmetry breaking scenarios
• Constraints on conformal ultralight dark matter couplings from the European Pulsar Timing Array
• Dark matter detection using nuclear magnetization in magnet with hyperfine interaction
• Curl up with a good $\mathbf{B}$: Detecting ultralight dark matter with differential magnetometry
• The 3.5 keV Line from Stringy Axions
• On long range axion hairs for black holes
• Axionic Band Structure of the Cosmological Constant
• Spinodal Instabilities and Super-Planckian Excursions in Natural Inflation
• Kaluza-Klein Towers in the Early Universe: Phase Transitions, Relic Abundances, and Applications to Axion Cosmology
• Atmospheric axion-like particles at Super-Kamiokande
• New Spin(7) holonomy metrics admiting G2 holonomy reductions and M-theory/IIA dualities
• Probing Oscillons of Ultra-Light Axion-like Particle by 21cm Forest
• Global View of Axion Stars with (Nearly) Planck-Scale Decay Constants
• Searching for eV-mass Axion-like Particles with Cross Correlations between Line Intensity and Weak Lensing Maps
• Axion inflation with cross-correlated axion isocurvature perturbations
• QCD axions and axionlike particles in a two-inflation scenario
• Cosmological Perturbations of Axion with a Dynamical Decay Constant
• Phenomenology of the companion-axion model: photon couplings
• Constraints on ultralight axions, vector gauge bosons, and unparticles from geodetic and frame-dragging measurements
• Inflaxion Dark Matter
• Aiming for Tops of ALPs with a Muon Collider
• Detecting neutrino-boosted axion dark matter in the MeV gap
• Constraints on Axion-like Particles from Observations of Mrk 421 using the $\mathrm{C}{\mathrm{L}}_{\mathrm{s}}$ Method
• Revisiting Isocurvature Bounds on the Minimal QCD Axion
• High-quality axions in a class of chiral $U(1)$ gauge theories
• Non-sphericity of ultralight axion dark matter haloes in the Galactic dwarf spheroidal galaxies
• Nested solitons in two-field fuzzy dark matter
• Vacuum Sampling in the Landscape during Inflation
• Implication of nano-Hertz stochastic gravitational wave background on ultralight axion particles
• Fuzzy Dark Matter in Relativistic Stars
• Harmonic Hybrid Inflation
• Stochastic gravitational wave background: birth from string-wall death
• $\mathcal{O}(10)M_{\odot }$ primordial black holes and string axion dark matter
• Deformation of Axion Potentials: Implications for Spontaneous Baryogenesis, Dark Matter, and Isocurvature Perturbations
• Implications for Cosmic Domain Walls from LIGO-Virgo First Three Observing Runs
• Isotropic cosmic birefringence from string axion domain walls without cosmic strings, and DESI results
• Solar chameleons: Novel channels
• Solar radio emissions and ultralight dark matter
• Scalar dark matter vortex stabilization with black holes
• ALP-Pions generalized
• Axion dark matter with thermal friction
• Aligned Natural Inflation and Moduli Stabilization from Anomalous $U(1)$ Gauge Symmetries
• Getting More Out of Black Hole Superradiance: a Statistically Rigorous Approach to Ultralight Boson Constraints from Black Hole Spin Measurements
• Observational Constraints on Axions as Quintessence in String Theory
• Inflation as an Information Bottleneck - A strategy for identifying universality classes and making robust predictions
• Imprints of ultralight axions on the gravitational wave and pulsar timing measurement
• Dark Energy as Double N-Flation--Observational Predictions
• Light Dark Matter Annihilation and Scattering in LHC Detectors
• Probing $\mu$eV ALPs with future LHAASO observation of AGN $\gamma$-ray spectra
• Axion star condensation around primordial black holes and microlensing limits
• Axion Hilltops, Kahler Modulus Quintessence and the Swampland Criteria
• Non-perturbative over-production of axion-like-particles (ALPs) via derivative interaction
• Detecting axion dark matter beyond the magnetoquasistatic approximation
• Examining axion-like particles with superconducting radio-frequency cavity
• Axion-Like Dark Matter Detection Using Stern-Gerlach Interferometer
• Probing Light Pseudoscalar Particles Using Synchrotron Light
• Probing vector gravitational atoms with eccentric intermediate mass-ratio inspirals
• Cosmological Constraints on Unstable Particles: Numerical Bounds and Analytic Approximations
• Resonant Electric Probe to Axionic Dark Matter
• High Quality Axion in Supersymmetric Models
• Listening for Dark Photon Radio from the Galactic Centre
• Non-perturbative moduli superpotential with positive exponents
• Cosmological Consequences of Domain Walls Biased by Quantum Gravity
• Black Holes as Fermion Factories
• The anomalous U(1) global symmetry and flavors from an SU(5) x SU(5)${}^{\prime }$ GUT in $Z_{12-I}$ orbifold compactification
• Searching for Axino-Like Particle at Fixed Target Experiments
• Dark matter and dark radiation from the early universe with a modulus coupled to the PQMSSM
• Search for an axion-induced oscillating electric dipole moment for electrons using atomic magnetometers
• Cosmic (super)strings with a time-varying tension
• Sensitivity of Proposed Search for Axion-induced Magnetic Field using Optically Pumped Magnetometers
• Fate of global symmetries in the Universe: QCD axion, quintessential axion and trans-Planckian inflaton decay-constant
• Cosmological Moduli Problem from Thermal Effects
• Gravitational waves from axions annihilation through quantum field theory
• Resonant gravitational waves in dynamical Chern-Simons-axion gravity
• New Horizons in Cosmology with Spectral Distortions of the Cosmic Microwave Background
• Shining ALP Dark Radiation
• Nuclear Spin Metrology with Nitrogen Vacancy Center in Diamond for Axion Dark Matter Detection
• Revisiting GeV-scale annihilating dark matter with the AMS-02 positron fraction
• Measuring axion gradients with photon interferometry (MAGPI)
• Weak Gravitational Lensing in Ricci-Coupled Kalb-Ramond Bumblebee Gravity: Global Monopole and Axion-Plasmon Medium Effects
• Observational evidence for Early Dark Energy as a unified explanation for Cosmic Birefringence and the Hubble tension
• Ghost Imaging of Dark Particles
• Bounds on heavy axions with an X-ray free electron laser
• ALP-ine quests at the LHC: hunting axion-like particles via peaks and dips in $t\bar{t}$ production
• Resonant non-Gaussianity with equilateral properties
• Probing Dark-ALP Portals at Future $e^{+}{e}^{-}$ Colliders
• Searching for axion forces with spin precession in atoms and molecules
• Axion RG flows and the holographic dynamics of instanton densities
• Natural Inflation with Exponentially Small Tensor-To-Scalar Ratio
• Scattering of twist fields from D-branes and orientifolds
• Superradiant Axionic Black-Hole Clouds as Seeds for Graviton Squeezing
• Cosmological constraints on ultra-light axion fields
• Relevance of VHE Blazar Spectra Models with Axion-Like Particles
• New insights into axion freeze-in
• Axion induced spin effective couplings
• Probing the Weak Gravity Conjecture in the Cosmic Microwave Background
• Non-Hermitian Yukawa interactions of fermions with axions: potential microscopic origin and dynamical mass generation
• A keV String Axion from High Scale Supersymmetry
• Axion Stabilization in Type IIB Flux Compactifications
• Minimal solution to the axion isocurvature problem from a nonminimal coupling
• Present and future of CosmoLattice
• Bracketing the soliton-halo relation of ultralight dark matter
• Probing photon-ALP oscillations from the MAGIC observations of FSRQ QSO B1420+326
• Entanglement negativity in de Sitter biverse from Stringy Axionic Bell pair: An analysis using Bunch-Davies vacuum
• Primordial black holes induced stochastic axion-photon oscillations in primordial magnetic field
• Aspects of Axions and ALPs Phenomenology
• Anisotropies in Cosmological 21 cm Background by Oscillons/I-balls of Ultra-light Axion-like Particle
• Diverse dark matter haloes in Two-field Fuzzy Dark Matter
• Axion-Like Particles at the ILC Giga-Z
• Leptophilic Axion-like Particles at Forward Detectors
• The self-tuning of the cosmological constant and the holographic relaxion
• 2-form gauge theory dual to scalar-tensor theory
• Is the magnitude of the Peccei-Quinn scale set by the landscape?
• A detailed exploration of the EDGES 21 cm absorption anomaly and axion-induced cooling
• Constraining exotic interactions
• Phases of Inflation
• Axion-modified photon propagator, Coulomb potential and Lamb-shift
• Axion-like Particle Effects on Photon Polarization in High-Energy Astrophysics
• Static axionlike dark matter clouds around magnetized rotating wormholes -- probe limit case
• Small field axion inflation with sub-Planckian decay constant
• Axion-like dark matter clouds around rotating black holes
• The Power Spectrum of Density Perturbations in Chain Inflation
• A Correlation Between the Higgs Mass and Dark Matter
• From Type II string theory towards BSM/dark sector physics
• Tensor modes on the string theory landscape
• A viable axion from gauged flavor symmetries
• Evidence for Inflation in an Axion Landscape
• A Dynamical Solution to the Axion Domain Wall Problem
• Progenitor Dependence of Neutrino-driven Supernova Explosions with the Aid of Heavy Axion-like Particles
• Stringy Newton Gravity with $H$-flux
• Observing axions through photon ring dimming of black holes
• Physics Beyond the Standard Model with Future X-ray Observatories: Projected Constraints on Very-Light Axion-Like Particles with $Athena$ and $AXIS$
• Axion Quality Problem and Non-Minimal Gravitational Coupling in the Palatini Formulation
• Optical circular polarization induced by axionlike particles in blazars
• Magnetohydrodynamics predicts heavy-tailed distributions of axion-photon conversion
• Higher Gauge Theory
• Incompatibility of fine-structure constant variations at recombination with local observations
• New Technologies for Axion and Dark Photon Searches
• R-symmetric Axion/Natural Inflation in Supergravity via Deformed Moduli Dynamics
• Dynamical Axions in $U(1)$ Quantum Spin Liquids
• Scanning the landscape of axion dark matter detectors: applying gradient descent to experimental design
• Probing Ultra-light Axion Dark Matter from 21cm Tomography using Convolutional Neural Networks
• Wess-Zumino-Witten Interactions of Axions
• Electromagnetic Memory Effect Induced by Axion Dark Matter
• Constraining axionlike particles with invisible neutrino decay using the IceCube observations of NGC 1068
• Distribution of supersymmetry mu parameter and Peccei-Quinn scale f_a from the landscape
• Constraining Ultra-light Axions with Galaxy Cluster Number Counts
• Nuclear decay anomalies as a signature of axion dark matter
• Spin-Statistics Violations in Superstring Theory
• Axion excursions of the landscape during inflation
• Constraints on monopole-dipole potential from the tests of gravity
• Axionlike Origin of the Primordial Density Perturbation
• Axion clockworks from heterotic M-theory: the QCD-axion and its ultra-light companion
• Curvaton as dark matter with secondary inflation
• Axion-Like Particles at future $e^{-}p$ collider
• Probing the axion-photon coupling with space-based gravitational waves detectors
• Theoretical constraints on brane inflation and cosmic superstring radiation
• On the Generality and Persistence of Cosmological Stasis
• Axion-like particles: possible hints and constraints from the high-energy Universe
• Gauge Field Production and Schwinger Reheating in Runaway Axion Inflation
• Effect on Dark Matter Exclusion Limits from New Silicon Photoelectric Absorption Measurements
• Large-scale inhomogeneity of dark energy produced in the ancestor vacuum
• On the Interaction between Ultralight Bosons and Quantum-Corrected Black Holes
• Squeezed gravitons from superradiant axion fields around rotating black holes
• Dark Matter and Dark Energy from a Kaluza-Klein inspired Brans-Dicke Gravity with Barotropic Fluid
• One-parametric description for scalar field dark matter potentials
• Dilaton and Second-Rank Tensor Fields as Supersymmetric Compensators
• On the Galactic radio signal from stimulated decay of axion dark matter
• Undulating Dark Matter
• Accurate method for ultralight axion CMB and matter power spectra
• Self-interaction effects on the Kerr black hole superradiance and their observational implications
• Axion species scale and axion weak gravity conjecture-like bound
• Gravitational Interactions and Neutrino Masses
• High-scale SUSY from an R-invariant New Inflation in the Landscape
• Primordial Black Holes as a Factory of Axions: Extragalactic Photons from Axions
• Search for an interaction mediated by axion-like particles with ultracold neutrons at the PSI
• Evolution of perturbation and power spectrum in a two-component ultralight axionic universe
• Axion effects on gamma-ray spectral irregularities with AGN redshift uncertainty
• Spectral Distortions from Axion Monodromy Inflation
• Discrete Goldstone Bosons
• Quantum-Ordering Ambiguities in Weak Chern-Simons 4D Gravity and Metastability of the Condensate-Induced Inflation
• Strong Dynamics and Natural Inflation
• Hydrodynamics of ultralight complex scalar field dark matter and its impact on the growth of structure
• Monopole Breaking of Chern-Weil Symmetries
• Axion Cloud Decay due to the Axion-photon Conversion with Background Magnetic Fields
• Quark mass uncertainties revive KSVZ axion dark matter
• Probing the interference between non-linear, axionic and space-time-anisotropy effects in the QED vacuum
• Resolving the QCD Axion Domain Wall Problem with a Light Axion
• Reheating-Induced Axion Dark Matter After Low Scale Inflation
• Dark Matter Is The New BBN
• Signatures of Very Early Dark Energy in the Matter Power Spectrum
• Theoretical Calculation of coherent Laue-case conversion between X rays and ALPs for an X-ray LSW experiment
• Mixing of photons with light pseudoscalars in time-dependent magnetic fields
• Hunting up low-mass bosons from the Sun using HPGe detector
• B-field induced mixing between Langmuir waves and axions
• Cosmic Birefringence from CP-Violating Axion Interactions
• Probing a diffuse flux of axion-like particles from galactic supernovae with neutrino water Cherenkov detectors
• Co-Interacting Dark Matter
• Nucleon decay in gauge unified models with intersecting D6-branes
• Experimental signatures of Kalb-Ramond-like particles
• Sub-MeV Bosonic Dark Matter, Misalignment Mechanism and Galactic Dark Matter Halo Luminosities
• From Stringy Particle Physics to Moduli Stabilisation and Cosmology
• The Impact of Dark Matter on Gravitational Wave Detection by Space-based Interferometers
• Supersymmetric Dirac-Born-Infeld Axionic Inflation and Non-Gaussianity
• High Energy Physics and Cosmology at the Unification Frontier: Opportunities and Challenges in the coming years
• Cosmic Microwave Background Dipole Asymmetry could be explained by Axion Monodromy Cosmic Strings
• Annual-modulation fingerprint of the axion wind induced sideband triplet in quantum dot spin qubit sensors
• Quantum-Enhanced Dark Matter Search Using Cat States
• Trans-Planckian censorship constraints on properties and cosmological applications of axion-like fields
• On the dark radiation problem in the axiverse
• Interplay between Black Holes and Ultralight Dark Matter: Analytic Solutions
• Einstein-Yang-Mills-aether theory with nonlinear axion field: Decay of color aether and the axionic dark matter production
• Constraints on small-field axion inflation
• Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance
• Interplay of ALP Couplings at a Muon Collider
• Axion-like particle dark matter in the linear regime of structure formation
• A Kaluza-Klein Inspired Brans-Dicke Gravity with Dark Matter and Dark Energy Model
• Observing Axion Emission from Supernova with Collider Detectors
• Interpreting the Extremely Diffuse Stellar Distribution of the Nube Galaxy through Fuzzy Dark Matter
• SO(10) Grand Unification in M theory on a G2 manifold
• Chiral Gravitational Wave Background from Audible Axion via Nieh-Yan Term
• Impact of Helical Electromagnetic Fields on the Axion Window
• Gravitational instantons and the quality problem of the QCD axion: Facts, speculations, and statements in between
• Untangling the spin of a dark boson in $Z$ decays
• Improved Halo Model Calibrations for Mixed Dark Matter Models of Ultralight Axions
• Axion signals from neutron star populations
• Conversations in the dark: cross-correlating birefringence and LSS to constrain axions
• Modeling of axion and electromagnetic fields coupling in a particle-in-cell code
• Harvesting quantum coherence from axion dark matter
• Can QCD Axion Stars explain Subaru HSC microlensing?
• Natural Chain Inflation
• Upcoming searches for decaying dark matter with ULTRASAT ultraviolet maps
• Inflation with two-form field: the production of primordial black holes and gravitational waves
• Multimessenger signals from compact axion star mergers
• Cavity as Radio Telescope for Galactic Dark Photon
• Visible GeV ALP from TeV Vector-like Leptons
• Searching for photon-ALPs mixing effects in AGN gamma-ray energy spectra
• Reduced Axion Abundance from an Extended Symmetry
• Induced Cosmological Anisotropies and CMB Anomalies by a non-Abelian Gauge-Gravity Interaction
• ALP Anarchy
• Initial conditions for small-field inflation
• Heavy axion-like particles and MeV decay photons from nearby type Ia supernovae
• Axion-like particle searches with MeerKAT and SKA
• Wess-Zumino-Witten Interactions of Axions: Three-Flavor
• Leptogenesis in automatic Nelson-Barr models
• How do scalar-field dark matter haloes react to orbiting bodies?
• Real-Time Corrections to the Effective Potential
• The LHC as an Axion-Photon Collider
• Cosmological perturbations for ultra-light axion-like particles in a state of Bose-Einstein condensate
• A QCD R-Axion
• Gravitational Wave Duet by Resonating Binary Black Holes within Ultralight Dark Matter
• Greybody factors of charged black holes with axion hair
• Dark photon dark matter from flattened axion potentials
• Constraints on Axion-Like Particles from VERITAS Observations of a Flaring Radio Galaxy in the Perseus Cluster
• On spacetime structure and electrodynamics
• Multiple Axions Save High-Scale Inflation
• Photon counting for axion interferometry
• The problem of flavour
• Dark energy model with very large-scale inhomogeneity
• Time Delay Anomalies of Fuzzy Gravitational Lenses
• Peccei-Quinn invariant singlet extended SUSY with anomalous U(1) gauge symmetry
• Phenomenological implications of $S$-duality symmetry
• Transient phenomena in the axion assisted Schwinger effect
• DarkGEO: A Large-Scale Laser-Interferometric Axion Detector
• Thermal and Optical Signatures of Einstein-Dyonic ModMax Black Holes with GUP and Plasma Modifications
• Gravitational Signatures of Axion Dark Matter via Parity-Violating Interactions
• Quantization leading to a natural flattening of the axion potential
• 3D Vortices and rotating solitons in ultralight dark matter
• Axion Portal to Scalar Dark Matter: Unveiling Stabilizing Symmetry Footprints
• Vortices and rotating solitons in ultralight dark matter
• Constraining eV-scale axion-like particle dark matter: insights from the M87 Galaxy
• Electromagnetic modeling and science reach of DMRadio-m${}^3$
• Simultaneous Resonant and Broadband Detection of Ultralight Dark Matter and High-Frequency Gravitational Waves via Cavities and Circuits
• Minimal Magnetogenesis: The Role of Inflationary Perturbations and ALPs, and Its Gravitational Wave Signatures
• Upper limit on the axion-photon coupling from magnetic white dwarf polarization
• Axion decay constants at special points in type II string theory
• The standard HVM
• Distinct photon-ALP propagation modes
• Ultralight dark matter detection with trapped-ion interferometry
• Geometrically constrained localized configurations engendering non-topological profile
• Axion-mediated electron-nucleus and electron-electron interactions in barium monofluoride molecule
• Entanglement witnesses mediated via axionLike particles
• Bounds on ALP-Mediated Dark Matter Models from Celestial Objects
• Is natural inflation in agreement with CMB data?
• Axion-photon conversion down to the nonrelativistic regime
• Axion Couplings in Gauged $U(1{)}^{\prime }$ Extensions of the Standard Model
• Physics with high-luminosity proton-nucleus collisions at the LHC
• De Sitter space constraints on brane tensions and couplings
• Zero Modes of Massive Fermions Delocalize from Axion Strings
• Electromagnetic Radiation from Binary Stars Mediated by Ultralight Scalar
• Composite heavy axion-like dark matter
• The SRG/eROSITA all-sky survey: Constraints on Ultra-light Axion Dark Matter through Galaxy Cluster Number Counts
• Gravitational Waves from a Gauge Field Non-minimally Coupled to Gravity
• Quantum field theory of axion-photon mixing and vacuum polarization
• Multimessenger Astronomy Beyond the Standard Model: New Window from Quantum Sensors
• Constraints on axionlike particles from 16.5 years of Fermi-LAT data and prospects for VLAST
• Particle physics and cosmology intertwined
• A Prototype Hybrid Mode Cavity for Heterodyne Axion Detection
• Resonant enhancement of axion dark matter decay
• Induced Circular Polarization on Photons Due to Interaction with Axion-Like Particles in Rotating Magnetic Field of Neutron Stars
• Periodic Gravitational Lensing with Oscillating Boson Stars
• Stringy constraints on primordial electromagnetic fields in axion inflation
• Apparent $w<-1$ and a Lower $S_8$ from Dark Axion and Dark Baryons Interactions
• INTEGRAL, eROSITA and Voyager Constraints on Light Bosonic Dark Matter: ALPs, Dark Photons, Scalars, $B-L$ and $L_i-L_j$ Vectors
• Ultralight Dark Matter from the Edge of Field Space
• An attempt to study axion-photon coupling using compact binary systems with high Shapiro time delay
• Induced cosmological anisotropy by a gauge-gravity interaction
• Light-shining-through-wall cavity setups for probing ALPs
• Axion-photon conversion in stochastic magnetic fields
• Supercooled Audible Axions
• Detecting the QCD axion via the ferroaxionic force with piezoelectric materials
• The radiation emitted from axion dark matter in a homogeneous magnetic field, and possibilities for detection
• Searching for Axion-Like Particles with X-ray Observations of Alpha Centauri
• Modified electron trajectory due to the axion dark matter background
• Probing ALP-portal fermionic dark matter at the $e^{+}{e}^{-}$ colliders
• The dark dimension, proton decay, and the length of the M-theory interval
• A global analysis of ALP-mediated multiboson production at the LHC
• Parity violation in photon quasinormal modes of black holes
• Dynamical-System analysis of single-axion monodromy inflation with periodically-modulated potentials
• Scalable Dark Matter Searches Using Integrated Photonics
• Photon self-interaction through gravitons and axions
• Axion-like Particles and their Possible Impact on the Very High-Energy Spectrum of M87 Observed by LHAASO
• Coherently Enhanced Axion-Photon Conversion via Seeded Photons for Short-Pulse Axion Detection
• Dyonic Ellis-Bronnikov wormholes from warped extra dimensions
• Detecting the $\pi$-axiverse through parametric resonance
• Probing new light scalars with the lepton anomalous magnetic moment and the weak equivalence principle violation
• Ultralight axion or axion-like particle dark matter and 21-cm absorption signals in new physics
• Boson dark matter halos with a dominant noncondensed component
• Axion Production and Detection Using a Dual NMR-type Experiment
• From rotating attractors to extremal black holes with axionic hair
• Searching for dark photon dark matter from terrestrial magnetic fields
• Axion Free-kick Misalignment Mechanism
• The Cosmic Rush Hour: Rapid Formation of Bright, Massive, Disky, Star-Forming Galaxies as Signatures of Early-Universe Physics
• Galaxy number-count dipole and superhorizon fluctuations
• Atomic Observables Induced by Cosmic Fields
• Parametric Coincidence in the Baryon to Dark Matter Ratio from Affleck-Dine Baryogenesis and UV Freeze-in Dark Matter
• Beyond thermal approximations: Precise cosmological bounds on Axion-Like Particles
• Axions/Axion like particles and the CMB asymmetric dipole
• The Search for the Cosmological Axion -- A New Refined Narrow Mass Window and Detection Scheme
• 1PN effective binary Lagrangian for the gravity-Kalb-Ramond sector in the conservative regime
• The read-out electronics for the FLASH experiment
• Ring formation from black hole superradiance through repeated particle production on bound orbits
• Inching toward the QCD Axions with Axion Magnetic Resonance in Helioscopes
• Search for Axion Like Particles produced via the Primakoff process at COMPASS
• Investigating the light curve variation of magnetic white dwarfs induced by the axion-photon conversion
• Adjusting optical cavity birefringence with wavelength tunable laser for axion searches
• Physics beyond the Standard Model with the DSA-2000
• Breaking Free from the Swampland of Impossible Universes through the DESI Portal
• Forecast constraints on the axion-photon coupling from interstellar medium heating
• Cosmology of the companion-axion model: dark matter, gravitational waves, and primordial black holes
• Spectral distortions in the decaying QCD dark matter scenario
• Gravitational Waves from Gauge Quanta Produced during Inflation
• Axion Fragmentation on the Lattice
• Cosmological structure formation in complex scalar field dark matter versus real ultralight axions: a comparative study using CLASS
• Scalarization of Chern-Simons Kerr Black Hole Solutions and Wormholes
• Effects of New Forces on Scalar Dark Matter Solitons
• de Sitter Excited State in Heterotic E_8 x E_8 Theory
• Cosmology of Gravi-Axions
• Relativistic frequency shifts in gravitational waves from axion clouds
• How do Magnetic Field Models Affect Astrophysical Limits on Light Axion-like Particles? An X-ray Case Study with NGC 1275
• Echoes in multi-ALP scenarios
• Five dimensional $SU(5)\times U(1{)}_{\mathrm{PQ}}$ grand unification
• Core-halo scaling relations in self-interacting scalar field dark matter
• Sensitivity to Axion-like Particle dark matter with very-high-energy gamma-ray observations of Active Galactic Nuclei located behind Galaxy Clusters
• Axion dark matter detection via shift current