arXiv digest · archive

23 September 2026

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

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Preprints41

Correcting for Evidence Uncertainty in the Templated Background Search for the Stochastic Gravitational-Wave Background

Xiao-Xiao Kou, Argyro Sasli, Muhammed Saleem et al. · 23 Sep 2026

gr-qcastro-ph.CO

Is accretion flow magnetically arrested in M87?

Yuao Ma, Xinwu Cao, Jia-Wen Li et al. · 23 Sep 2026

astro-ph.HE

Orbital and spin periods of the intermediate polar 2PBC J0800.5-4306

Yabing Zhao, Chunhua Zhu, Sufen Guo et al. · 23 Sep 2026

astro-ph.SRastro-ph.HE

Quasinormal-mode redshifts of black holes in galactic halos with radial pressures

Che-Yu Chen, Hassan Hassanabadi, Soroush Zare · 23 Sep 2026

gr-qcastro-ph.COastro-ph.GAastro-ph.HE

Estimating redshift distributions of Fermi blazars with multiple machine-learning models

Kerui Zhu, Jiaming Chen, Yonggang Zheng et al. · 23 Sep 2026

astro-ph.HEastro-ph.IM

Conserved charges and the first law of black holes for field dependent symmetry generators in the covariant phase space formalism

Hai-Feng Ding · 23 Sep 2026

gr-qchep-th

On the rates of binary star collisions around hypermassive black holes

Megha Sharma, Alexander Heger, Evgeni Grishin et al. · 23 Sep 2026

astro-ph.HEastro-ph.GA

H_alpha observations of the Be/X-ray binary MWC 656

R. Zamanov, V. Marchev, K. A. Stoyanov et al. · 23 Sep 2026

astro-ph.SRastro-ph.HE

Evolution and disruption of circular orbits during dynamic black hole scalarization

Yu-Peng Zhang, Shao-Wen Wei, Yu-Xiao Liu · 23 Sep 2026

gr-qc

Relativistic accretion-disc models of Cyg X-1 in the soft state: a case study

Luciano Ye, Luigi Foschini · 23 Sep 2026

astro-ph.HE

Dark Matter-Induced Stellar Oscillations in the de Broglie Regime

Qiuyue Liang, Jeremy Sakstein · 23 Sep 2026

astro-ph.COgr-qchep-ph

Broad-band spectral-timing: simultaneous NICER and HXMT observations reveal an anticorrelation between the softest and hardest X-ray fluxes in MAXI J1820+070

Niek Bollemeijer, Phil Uttley, Bei You · 23 Sep 2026

astro-ph.HE

Scalar particle in the Kiselev-anti-de-Sitter black hole background

Matheus D. de Oliveira, Alexandre G. M. Schmidt · 23 Sep 2026

gr-qc

Semi-Analytic Solutions For Warped, Super-Eddington Accretion Disks with Outflows

Gabriel Wohlfarth, Matthew Middleton, Omer Blaes et al. · 23 Sep 2026

astro-ph.HE

Neural Network Guided Parameter Space Constraints for Gravitational Wave Searches from Binary Black Holes

Chetan Verma, Amit Reza, Gurudatt Gaur et al. · 23 Sep 2026

gr-qcastro-ph.IM

First X-ray detection of symbiotic nova CN Cha with eROSITA/SRG

Sara Saeedi, Jaroslav Merc, Manami Sasaki et al. · 23 Sep 2026

astro-ph.HE

Environment-dependent mass splitting to suppress solar capture in the inelastic-doublet interpretation of the LZ event

Sudhakantha Girmohanta, Tae Hyun Jung · 23 Sep 2026

hep-ph

A Catalog-Wide Study of Gravitational-Wave Residuals in GWTC-4 and GWTC-5

Junlin Qin, Zhan-Feng Mai, Dicong Liang et al. · 23 Sep 2026

gr-qc

Solar capture and annihilation of fermionic and scalar dark matter motivated by the LUX-ZEPLIN high-recoil candidate

Antonio Capolupo, Gabriele Pisacane, Raoul Serao · 23 Sep 2026

hep-ph

JWST evidence for a sharp "Cosmic Daybreak" at z = 15

Jiashuo Zhang, Tom Broadhurst, Tzihong Chiueh et al. · 23 Sep 2026

astro-ph.COastro-ph.GA

Study of blazar variability through their flux distribution for CTAO long-term monitoring

A. Mikhno, J. Biteau, J. -P. Lenain on behalf of the CTAO collaboration · 23 Sep 2026

astro-ph.HE

A Tentative Line-like GeV Excess in Fermi Blazar 4FGL J1754.2+3212: Implications for Jet Physics and Beyond

Shi-Ju Kang, Yue Yin, Yong-Gang Zheng et al. · 23 Sep 2026

astro-ph.HE

Entropy applications in cosmology: spacetime thermodynamics, holographic dark energy, entropic gravity and beyond - a review

Emmanuel N. Saridakis, Giuseppe Gaetano Luciano, Andreas Lymperis et al. · 23 Sep 2026

astro-ph.COgr-qchep-th

Big Bang Nucleosynthesis as a Probe of First-Order Phase Transitions

Masanori Tanaka · 23 Sep 2026

hep-phastro-ph.CO

The Lumina Project: Morphology of Ionized Bubbles and Neutral Islands

Meredith Neyer, Aaron Smith, Ali Sadain et al. · 23 Sep 2026

astro-ph.COastro-ph.GA

Simulating the emission source function in very peripheral relativistic heavy-ion collisions

Angel Reina Ramírez, Volodymyr Magas, Juan M. Torres-Rincon · 23 Sep 2026

hep-phnucl-exnucl-th

Inelastic dark matter mediated by natural dark photon

Jie Tang, Pei-Hong Gu · 23 Sep 2026

hep-ph

Sterile Neutrino Dark Matter Cries for GeV Heavy Neutral Leptons

Marco Drewes, Yannis Georis, Juraj Klarić et al. · 23 Sep 2026

hep-phastro-ph.COhep-ex

First Pre-peak Ultraviolet Spectrum of a Tidal Disruption Event: A Fast Outflow Revealed Prior to Maximum Light in TDE2025aarm

Erica Hammerstein, Ryan Chornock, Jean Somalwar et al. · 23 Sep 2026

astro-ph.HE

Finite-Temperature Axion-Admixed Neutron Stars in a Quarkyonic Crossover Framework

S. K. Patra, D. Dey, Jeet Amrit Pattnaik et al. · 23 Sep 2026

hep-phastro-ph.HEastro-ph.SRnucl-th

Rotating black holes surrounded by PFDM in STVG: shadow studies and eikonal QNM

Muhammad Zahid, Zhiling Liu, Saeed Ullah Khan et al. · 23 Sep 2026

gr-qc

Sneaky Sneutrino Scattering at LZ

Kevin Langhoff, Huangyu Xiao · 23 Sep 2026

hep-ph

Wave-Optics Imprints of Warm Dark Matter Subhalos with Prompt Cusps on Strongly Lensed Gravitational Waves

Bhashin A. Thakore, Shin'ichiro Ando · 23 Sep 2026

astro-ph.CO

A comprehensive multi-wavelength study of two X-ray emitting Be stars

Hema Anilkumar, Blesson Mathew, Savithri H. Ezhikode et al. · 23 Sep 2026

astro-ph.SRastro-ph.HE

Exploring mutated hilltop inflation in $f(φ, T)$ gravity with latest CMB and DESI observations

Biswajit Deb, Atri Deshamukhya · 23 Sep 2026

gr-qc

Heavy Higgsino Dark Matter at the Scale of the Vanishing Higgs Quartic

James Unwin · 23 Sep 2026

hep-phastro-ph.CO

Heavy Inert Doublet Reconciles LZ and IceCube

Hitoshi Murayama, Bea Noether · 23 Sep 2026

hep-phastro-ph.HEhep-ex

Unpolarized Low-Frequency Tail of Causal Chiral Gravitational Waves

Tikinas Chabour, Guillem Domènech, Alexander Ganz et al. · 23 Sep 2026

gr-qcastro-ph.CO

A Stepping Stone Solution to the QCD Axion Isocurvature Problem

Kun-Feng Lyu, Kuver Sinha · 23 Sep 2026

hep-phastro-ph.CO

FPCA-Enhanced Simulation-Based Inference for Robust Type Ia Supernova Cosmology

Moonzarin Reza, Lifan Wang · 23 Sep 2026

astro-ph.IMastro-ph.CO

MAGGIE: A Magnetic Gravitational Wave Induction Experiment

Jasper Jödicke, Marios Maroudas, Toma-Stefan Cezar et al. · 23 Sep 2026

gr-qcastro-ph.IMhep-exhep-ph

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