Cosmology and Nongalactic Astrophysics

Do equation of state parametrizations of dark energy faithfully capture the dynamics of the late universe?

Do equation of state parametrizations of dark ...

Cosmology and Nongalactic Astrophysics
Avatar
Ozgur Akarsu
1 view
Probing Scalar-Tensor-Induced Gravitational Waves in the nHz Band: $\texttt{NANOGrav}$ and SKA

Probing Scalar-Tensor-Induced Gravitational Wa...

Cosmology and Nongalactic Astrophysics
Avatar
William Iania
2 views
Model-Independent Analysis of Type Ia Supernova Datasets and Implications for Dark Energy

Model-Independent Analysis of Type Ia Supernov...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
2 views
Constraints on Coupled Dark Energy in the DESI Era

Constraints on Coupled Dark Energy in the DESI Era

Cosmology and Nongalactic Astrophysics
Avatar
librarian
2 views
Illuminating the Local Universe: Large-Scale Structure from ZTF Type Ia Supernovae

Illuminating the Local Universe: Large-Scale S...

Cosmology and Nongalactic Astrophysics
Avatar
Antoine Gilles Lordet
2 views
Impact of Stochastic Pop~III X-ray Binaries on the Cosmological 21-cm Signal

Impact of Stochastic Pop~III X-ray Binaries on...

Cosmology and Nongalactic Astrophysics
Avatar
Saswata Dasgupta
2 views
Low-ionization Metal Absorption at $0.7 \lesssim z \lesssim 2$ Confronting Cosmological Simulations with Observations

Low-ionization Metal Absorption at $0.7 \lesss...

Cosmology and Nongalactic Astrophysics
Avatar
Ivan Rapoport
4 views
Reionization Topology as a Probe of Self-Interacting Dark Matter

Reionization Topology as a Probe of Self-Inter...

Cosmology and Nongalactic Astrophysics
Avatar
Zihan Wang
3 views
On the origin of the BAOtr-DESI tension

On the origin of the BAOtr-DESI tension

Cosmology and Nongalactic Astrophysics
Avatar
librarian
5 views
Cosmological inference with halo clustering reconstructed from the redshift-space galaxy distribution

Cosmological inference with halo clustering re...

Cosmology and Nongalactic Astrophysics
Avatar
Ryuichiro Hada
4 views
Probing non-Gaussianity during reheating with SIGW in the LISA band

Probing non-Gaussianity during reheating with ...

Cosmology and Nongalactic Astrophysics
Avatar
Gabriele Perna
13 views
Coupled Dark Energy and Dark Matter for DESI: An Effective Guide to the Phantom Divide

Coupled Dark Energy and Dark Matter for DESI: ...

Cosmology and Nongalactic Astrophysics
Avatar
Stefan Antusch
14 views
The Heavy Tailed Non-Gaussianity of the Supermassive Black Hole Gravitational Wave Background

The Heavy Tailed Non-Gaussianity of the Superm...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
13 views
A GPU-Accelerated JAX Framework for Robust Parametric Component Separation and Clustering Optimization for CMB Polarization Satellites

A GPU-Accelerated JAX Framework for Robust Par...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
9 views
Ray-traced weak lensing convergence in screened modified gravity theories

Ray-traced weak lensing convergence in screene...

Cosmology and Nongalactic Astrophysics
Avatar
Mattia Pantiri
18 views
Disentangling cosmic distance tensions with early and late dark energy

Disentangling cosmic distance tensions with ea...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
18 views
LSST Strong Lensing Systems Dark Matter Sensitivity Analysis with Neural Ratio Estimators

LSST Strong Lensing Systems Dark Matter Sensit...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
10 views
A Natural $\gtrsim 100\times$ Telescope: Discovery of the Strongly Lensed Type II SN 2025mkn at $z=1.37$

A Natural $\gtrsim 100\times$ Telescope: Disco...

Cosmology and Nongalactic Astrophysics
Avatar
Ariel Goobar
10 views
A Dynamical Equilibrium Linking Nanohertz Stochastic Gravitational Wave Background to Cosmic Structure Formation

A Dynamical Equilibrium Linking Nanohertz Stoc...

Cosmology and Nongalactic Astrophysics
Avatar
Manjia Liang
10 views
The Non-Gaussian Weak-Lensing Likelihood: A Multivariate Copula Construction and Impact on Cosmological Constraints

The Non-Gaussian Weak-Lensing Likelihood: A Mu...

Cosmology and Nongalactic Astrophysics
Avatar
Veronika Oehl
13 views
Hunting Dark Matter with the Einstein Telescope

Hunting Dark Matter with the Einstein Telescope

Cosmology and Nongalactic Astrophysics
Avatar
librarian
11 views
Testing parity with composite-field spectra of BOSS and DESI luminous red galaxies

Testing parity with composite-field spectra of...

Cosmology and Nongalactic Astrophysics
Avatar
Zucheng Gao
12 views
Joint Curvature and Growth Rate measurements with Supernova Peculiar Velocities and the CMB

Joint Curvature and Growth Rate measurements w...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
16 views
Low-redshift-agnostic BAO Constraints on Binned Dark-energy Density Evolution from DESI DR1 and DR2

Low-redshift-agnostic BAO Constraints on Binne...

Cosmology and Nongalactic Astrophysics
Avatar
Qian-Mo Liu
11 views
Observational Tests for Distinguishing Classes of Cosmological Models

Observational Tests for Distinguishing Classes...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
13 views
Primordial magnetic fields in the light of upcoming post-EoR Lyman-$α$ and 21-cm observations

Primordial magnetic fields in the light of upc...

Cosmology and Nongalactic Astrophysics
Avatar
Arko Bhaumik
13 views
Lyman-$α$ Forest Signatures of Mixed Fuzzy and Cold Dark Matter

Lyman-$α$ Forest Signatures of Mixed Fuzzy and...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
14 views
Probing the Evolution of Dark Energy: A Joint Analysis of DESI DR2, Pantheon+, and Cosmic Chronometers

Probing the Evolution of Dark Energy: A Joint ...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
11 views
JWST Lensed Quasar Dark Matter Survey V: Measuring the minimum halo mass with strong gravitational lensing

JWST Lensed Quasar Dark Matter Survey V: Measu...

Cosmology and Nongalactic Astrophysics
Avatar
A. Nierenberg
13 views
Model-independent constraints on generalized FLRW consistency relations with bootstrap-based symbolic regression

Model-independent constraints on generalized F...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
14 views
Diagnostic Consistency Tests of the Concordance Cosmology

Diagnostic Consistency Tests of the Concordanc...

Cosmology and Nongalactic Astrophysics
Avatar
S. Koksbang
14 views
Information-Geometric Perspective on the Hubble Tension: Eigenmode Rotation and Curvature Suppression in wCDM

Information-Geometric Perspective on the Hubbl...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
10 views
Load more