Cosmology and Nongalactic Astrophysics

Probing Minihalos in the Late Dark Ages through Velocity Acoustic Oscillations in the 21-cm Power Spectrum

Probing Minihalos in the Late Dark Ages throug...

Cosmology and Nongalactic Astrophysics
Avatar
Bin Yue
5 views
Searching for Dense Perturbers in Cold Dark Matter Simulations

Searching for Dense Perturbers in Cold Dark Ma...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
5 views
ASTROLABE: A 3D Particle-Level Surrogate for Cosmology Simulation with Physical Flow Matching

ASTROLABE: A 3D Particle-Level Surrogate for C...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
5 views
DDELenS: Tomographic Weak Lensing Simulations with Dynamical Dark Energy

DDELenS: Tomographic Weak Lensing Simulations ...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
4 views
Linear gas mass density: a unifying descriptor of Cosmic Filaments

Linear gas mass density: a unifying descriptor...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
5 views
Evolving only the observed spacetime region: perfectly parallel lightcone simulations with sCOLA

Evolving only the observed spacetime region: p...

Cosmology and Nongalactic Astrophysics
Avatar
Mayeul Aubin
4 views
Neutrino self-interactions in light of DESI and CMB-SPA

Neutrino self-interactions in light of DESI an...

Cosmology and Nongalactic Astrophysics
Avatar
Hernán Noriega
4 views
Minkowski Functionals of CII Line Intensity Maps: Probing Astrophysics and Primordial Features

Minkowski Functionals of CII Line Intensity Ma...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
26 views
Stimulated capture of axion dark matter around primordial black holes

Stimulated capture of axion dark matter around...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
19 views
Hydrostatic Equilibrium Constraints on the Fuzzy Dark Matter Mass from Dwarf Spheroidals: Method, Systematics, and Robustness

Hydrostatic Equilibrium Constraints on the Fuz...

Cosmology and Nongalactic Astrophysics
Avatar
Samrat Mitra
30 views
The gravitational constant and the cosmic microwave background

The gravitational constant and the cosmic micr...

Cosmology and Nongalactic Astrophysics
Avatar
Brahim Lamine
26 views
The unified Bound Dark Energy--Bound Dark Matter model: theory and constraints from DESI DR2

The unified Bound Dark Energy--Bound Dark Matt...

Cosmology and Nongalactic Astrophysics
Avatar
Jose Agustin Lozano Torres
17 views
Disentangling geometry & growth in cosmic neutrino mass constraints: a more physical split and diagnostic

Disentangling geometry & growth in cosmic neut...

Cosmology and Nongalactic Astrophysics
Avatar
Fei Ge
23 views
Model-independent parameters from DESI DR1 LRG2 with an explicitly varying power-spectrum shape

Model-independent parameters from DESI DR1 LRG...

Cosmology and Nongalactic Astrophysics
Avatar
Yong-Seon Song
20 views
Thermalization of the Primordial Stochastic Gravitational-Wave Background

Thermalization of the Primordial Stochastic Gr...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
21 views
Low-cost neural summaries for cosmological inference: an ensemble of convolutional neural networks trained on approximate simulations

Low-cost neural summaries for cosmological inf...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
22 views
Origin of the red spectral tilt in Inflation without an Inflaton

Origin of the red spectral tilt in Inflation w...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
20 views
Joint Line Intensity Recovery from Multi-Tracer Cross-Correlations

Joint Line Intensity Recovery from Multi-Trace...

Cosmology and Nongalactic Astrophysics
Avatar
Carlos Sierra
21 views
TNGC-SIDM I: Evolution of massive cluster mergers under the self-interacting dark matter paradigm

TNGC-SIDM I: Evolution of massive cluster merg...

Cosmology and Nongalactic Astrophysics
Avatar
W. Lee
16 views
The Atacama Cosmology Telescope: DR6 Constraints on Isotropic Time-Dependent Cosmic Birefringence from Axion-like Particles

The Atacama Cosmology Telescope: DR6 Constrain...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
15 views
Cosmology with strong gravitational lenses

Cosmology with strong gravitational lenses

Cosmology and Nongalactic Astrophysics
Avatar
Tommaso Treu
18 views
Mapping Dark Matter in Merging Clusters with Weak Lensing for CSST: Morphology and Filament Recovery

Mapping Dark Matter in Merging Clusters with W...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
29 views
Enabling Polyspectra via Stochastic Realizations of Inverse Decay Curvature Perturbations in Axion Inflation

Enabling Polyspectra via Stochastic Realizatio...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
30 views
ROBIN-PIP: Robust Bayesian Field-Level Inference with Physics-Informed Priors

ROBIN-PIP: Robust Bayesian Field-Level Inferen...

Cosmology and Nongalactic Astrophysics
Avatar
Ludvig Doeser
98 views
Emulation of the Halo Mass Function with Neural Networks

Emulation of the Halo Mass Function with Neura...

Cosmology and Nongalactic Astrophysics
Avatar
Olive Ross
92 views
Weak-Lensing Shear Response for Photometric Redshift-Based Tomographic Binning

Weak-Lensing Shear Response for Photometric Re...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
92 views
A machine learning-based method for populating dark matter halos in N-body simulations with substructure

A machine learning-based method for populating...

Cosmology and Nongalactic Astrophysics
Avatar
Milad Noorikuhani
66 views
Metastable Dark Energy on the Phantom Brane

Metastable Dark Energy on the Phantom Brane

Cosmology and Nongalactic Astrophysics
Avatar
librarian
43 views
An LSST-DESC Precursor Project: Hyper Suprime-Cam Year 1 $3\times2$pt in Harmonic Space

An LSST-DESC Precursor Project: Hyper Suprime-...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
40 views
Is DESI Seeing Dynamical Dark Energy, or a Cosmic Glitch in Gravity?

Is DESI Seeing Dynamical Dark Energy, or a Cos...

Cosmology and Nongalactic Astrophysics
Avatar
librarian
39 views
Hubble tension: the shape wall

Hubble tension: the shape wall

Cosmology and Nongalactic Astrophysics
Avatar
librarian
220 views
Probing the baryonic--dark matter connection in galaxy clusters using X-rays with gated recurrent unit neural networks

Probing the baryonic--dark matter connection i...

Cosmology and Nongalactic Astrophysics
Avatar
Asif Iqbal
229 views