arXiv digest · archive

21 September 2026

The preprints announced on this day that reached the digest, kept as they were published.

This page is generated automatically by a script from the arXiv API, and may contain errors. No model is involved.

Preprints51

The CAMELS-CROCODILE Simulation Suite: A New Cosmology--Astrophysics Playground for Machine Learning

Kentaro Nagamine, Yuri Oku, Atsushi J. Nishizawa et al. · 21 Sep 2026

astro-ph.GAastro-ph.CO

AT2019aalc: An obscured tidal disruption event candidate in an active galactic nucleus revealed by its first flare?

Ying Gu, Xiao Li, Xue-Guang Zhang et al. · 21 Sep 2026

astro-ph.HEastro-ph.GA

Constraints on Axion-like Dark Matter from Cosmic Birefringence with a Polarization Array of Repeating Fast Radio Bursts

Xiaohui Liu, Zi-Yan Yuwen, Yun-Long Zhang et al. · 21 Sep 2026

astro-ph.HEhep-ph

Sound-Horizon-Independent Test of Cosmic Distance Duality Relation Using Artificial Neural Networks and Gaussian Processes

Bo-Hao Jiang, Guo-Jian Wang, Tao Yang · 21 Sep 2026

astro-ph.COastro-ph.IM

StAGE: Stellar Archaeology-driven Galaxy Evolution II. Binary Black Hole Mergers in Quiescent Galaxies and their Star-forming Progenitors

Irene Iorio, Andrea Lapi, Lumen Boco et al. · 21 Sep 2026

astro-ph.GAastro-ph.CO

Signatures of Novikov-Thorne accretion disks around rotating black holes in semiclassical gravity with trace anomaly

Yuxiang Zuo, Shiyang Hu, Dan Li et al. · 21 Sep 2026

gr-qc

Companion masses of Gaia DR3 AstroSpectroSB1 binaries: a Bayesian forward-modelling framework

Prasid Sandave, Raghuveer Garani · 21 Sep 2026

astro-ph.SRastro-ph.GAastro-ph.HE

Saddle-Order Universality in Ensemble-Averaged Black Hole Thermodynamics

Ankit Anand, Peng Cheng · 21 Sep 2026

hep-thgr-qc

Probing modified gravity with galaxy-cluster-lensed gravitational-wave time delays: impact of systematic effects

Eleni Tsaprazi, Ettore Delpogetto, Federico Marulli et al. · 21 Sep 2026

astro-ph.CO

A novel phenomenological parametrization of dynamical dark energy via matter-gravity coupling

Hrishikesh Chakrabarty, Daniele Malafarina · 21 Sep 2026

gr-qc

Spin-curvature effects in slowly rotating black hole spacetime

Arpita Jana, Subhajit Mazumdar, Sunandan Gangopadhyay · 21 Sep 2026

hep-thgr-qc

T-duality of string charge density/bit threads correspondence in type II supergravity

Houwen Wu, Shuxuan Ying · 21 Sep 2026

hep-thgr-qc

Joule Thomson expansion of symmergent black holes in extended phase space

Saheb Soroushfar, Sayyed Mehrab Ramezani · 21 Sep 2026

gr-qc

Do gravitational waves assist the genuine tripartite entanglement harvesting?

Xiang-Yue Yu, Xiao-Li Huang, Shu-Min Wu · 21 Sep 2026

gr-qcquant-ph

Biases from Astrophysical Environmental Effects in Standard-Siren Cosmology

Ioannis Liodis, Rodrigo Vicente, Soumen Roy et al. · 21 Sep 2026

astro-ph.COastro-ph.HEgr-qc

LATED: Ly$α$-anchored photometric selection of candidate metal-free and extremely metal-poor star formation from the end of reionisation to cosmic noon

Mingyu Li, Zheng Cai, Roberto Maiolino et al. · 21 Sep 2026

astro-ph.GAastro-ph.COastro-ph.IMastro-ph.SR

LATED: JWST integral field spectroscopy of a galaxy caught in chemical infancy at $z=4.8$ behind Abell 2744

Mingyu Li, Roberto Maiolino, Zheng Cai et al. · 21 Sep 2026

astro-ph.GAastro-ph.COastro-ph.SR

How Universal Is the Black Hole Zeroth Law?

Rajes Ghosh, Sudipta Sarkar · 21 Sep 2026

gr-qchep-th

The phenomenology of Axion Relic Pockets

Wafaa Khater, M. C. David Marsh, Charalampos Nikolis · 21 Sep 2026

hep-ph

Formalizing a unified dynamical system framework for $f(R)$ and $f(Q)$ gravity

Saikat Chakraborty · 21 Sep 2026

gr-qc

Impact of nuclear shell model uncertainties on silicon and germanium WIMP-nucleus limits

M. J. Zurowski, R. Abdel Khaleq · 21 Sep 2026

hep-phhep-exnucl-th

Constraining the geometry of rotating black holes with eikonal QNMs

Ciro De Simone, Sebastian H. Völkel, Kostas D. Kokkotas · 21 Sep 2026

gr-qc

Jet variability in small mass ratio supermassive black hole binaries

Jay V. Kalinani, Manuela Campanelli, Michail Chabanov et al. · 21 Sep 2026

astro-ph.HEgr-qc

A New Probe of Strongly-Interacting Dark Sector using Neutrino Telescopes

Jose A. Macias Cruz, Christopher V. Cappiello, P. S. Bhupal Dev et al. · 21 Sep 2026

hep-phastro-ph.HE

Gauss--Bonnet running and the de Sitter saddle of quadratic gravity inflation

Ruolin Liu, Niayesh Afshordi · 21 Sep 2026

hep-thastro-ph.COgr-qc

Luminosity Signatures of Dark Sector Particles from Black Hole Evaporation in Neutron Stars

Ioannis Dalianis, Anastasios Irakleous · 21 Sep 2026

astro-ph.HEgr-qchep-ph

Observational Features of Nonsingular Rotating Black Holes in the Dark-Energy Dominated Universe

Ramon Torres · 21 Sep 2026

gr-qchep-th

Two-dimensional weak lensing shear for cluster mass, concentration, ellipticity and miscentering estimation

Calum Murray, Martin Kilbinger, Constantin Payerne · 21 Sep 2026

astro-ph.CO

PEARLS: NuSTAR and XMM-Newton Extragalactic Survey of the JWST North Ecliptic Pole Time-Domain Field IV: X-Ray Variability Analysis

Ross Silver, Francesca Civano, Xiurui Zhao et al. · 21 Sep 2026

astro-ph.HE

A closer look at the LZ 248 keV event through the lens of cosmic-ray boosted dark matter

Bhavesh Chauhan, Soham Sahasrabuddhe, Manibrata Sen · 21 Sep 2026

hep-ph

Interpreting the LZ 248 keV Event using Dark QCD

Francesco Sannino, Jessica Turner · 21 Sep 2026

hep-phhep-exhep-lat

Tangled $τ$: Planck CMB Constraints on Flash Reionization

Param Upadhyay, Elisa G. M. Ferreira, Evan McDonough · 21 Sep 2026

astro-ph.CO

Multi-Stage and Multi-Field Inflation in Random Inflationary Landscapes

Xingang Chen, Lucas Pinol, Zhong-Zhi Xianyu et al. · 21 Sep 2026

astro-ph.COhep-phhep-th

Statistical Fluctuations as Primordial Correlators in the CMB: Finite Chemical Potential Thermodynamics

Anish Ghoshal, Anupam Mazumdar, Bartłomiej Sikorski · 21 Sep 2026

astro-ph.COcond-mat.stat-mechgr-qchep-ph

Analytical estimates of core optics stray light noise and design requirements for ground based gravitational wave detectors

M. Andrés-Carcasona, M. Evans · 21 Sep 2026

gr-qcphysics.ins-det

Event Detection and Finite-Grid Effects at an Imposed Absorbing Boundary in Newtonian Black Hole Orbit Integrations

Gregory M Davis · 21 Sep 2026

gr-qcastro-ph.HE

The Double Copy of the Black Ring

Damien A. Easson · 21 Sep 2026

hep-thgr-qc

The BTZ black hole, the Third Law and gravitational collapse

Aidan M. McSharry, Harvey S. Reall, Jorge E. Santos · 21 Sep 2026

gr-qchep-th

Dark matter haloes from dwarf to massive galaxies: no systematic inner-density tension with ΛCDM hydrodynamical simulations

Pavel E. Mancera Piña, Justin I. Read, Jorge Sarrato-Alós et al. · 21 Sep 2026

astro-ph.GAastro-ph.CO

Gravitational wave signatures of subsolar neutron star formation in collapsar disks

Vishal Baibhav, Valerio De Luca, Loris Del Grosso et al. · 21 Sep 2026

gr-qcastro-ph.COastro-ph.HE

Accurate Black Hole Quasinormal Modes, Regge Poles, and Greybody Factors from Light Ring Ladder Symmetry

Rajes Ghosh, David Pereñiguez, Jaime Redondo-Yuste et al. · 21 Sep 2026

gr-qchep-th

Cosmological stasis and the coupled dark sector of the Dark Dimension

Alexander Stewart · 21 Sep 2026

hep-phastro-ph.COgr-qchep-th

Before WIMPs: Neutrinos and the origins of particle dark matter

Jaco de Swart · 21 Sep 2026

physics.hist-phastro-ph.COhep-ph

A Magnetic Unification of Merging Supermassive Black Hole Binaries

Mark J. Avara, David O'Neill, Zoltán Haiman · 21 Sep 2026

astro-ph.HE

Black Hole Perturbation Toolkit: Low frequency and post-Newtonian expansions

Jakob Neef, Chris Kavanagh, Adrian Ottewill · 21 Sep 2026

gr-qchep-th

Using Machine Learning to Model Stellar Collisions in our Galactic Center

Tristan C. Sand, Sanaea C. Rose, Elena González Prieto et al. · 21 Sep 2026

astro-ph.SRastro-ph.GAastro-ph.HEastro-ph.IM

Convolutional Neural Network for Extraction of $n = 1$ Photon Ring of Black Holes

Courtney Duong, Frank Myhre, Joseph R. Farah · 21 Sep 2026

astro-ph.IMastro-ph.HE

Cosmology in sixth-order higher-derivative theories of gravity

Carlos Aguilar, Manuel Asorey, Diego Muñoz et al. · 21 Sep 2026

gr-qcastro-ph.COhep-th

Cross-Bispectrum Constraints from HI Intensity Mapping and Galaxy Surveys

Warren Naidoo, Moumita Aich, Kavilan Moodley · 21 Sep 2026

astro-ph.COgr-qc

Hidden symmetries and the universality of Hawking radiation

Ivan Pérez-Castro, Abdel Pérez-Lorenzana · 21 Sep 2026

hep-thgr-qc

Light Cone Thermodynamics: Quasi-Local Formalism

Matheus G. Barbosa · 21 Sep 2026

gr-qchep-thmath-ph

Back to the current digest