arXiv digest · archive

18 September 2026

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

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Preprints41

FIMP dark matter in the scotogenic model at low-reheating temperatures

Robinson Longas, Andrés Rivera, David Suarez · 18 Sep 2026

hep-ph

A Gamma-ray Emitting Head-Tail Radio Galaxy Swimming Through the Hot Medium of the Merging Cluster Abell 3627

Vaidehi S. Paliya, M. Böttcher, Swayamtrupta Panda et al. · 18 Sep 2026

astro-ph.HEastro-ph.GA

Anomalous Matter Potentials in Earth's Inner Core: A Phenomenological Probe of Dark Matter and Light Sterile Neutrinos

Bipin Singh Koranga, Vivek Kumar Nautiyal · 18 Sep 2026

hep-ph

Gamma-ray Quasi-periodic Oscillations in the Changing Look Blazar B2 1420+326 (OQ 334)

Sunanda, Shubham Kishore, Alok C. Gupta · 18 Sep 2026

astro-ph.HE

The high-velocity dark matter halo of the Milky Way in light of the LZ 248 keV event

Ciaran A. J. O'Hare · 18 Sep 2026

hep-phastro-ph.COastro-ph.GA

A Geodesic Route toward Holography beyond AdS: Tessellating the Schwarzschild Black Hole

Shi Gu, Qiang Wen, Haocheng Zhong et al. · 18 Sep 2026

hep-thgr-qc

21-cm Constraints on S-wave Dark Matter Annihilation with Subhalo-enhanced Effects

Zixuan Xu, Sibo Zheng · 18 Sep 2026

astro-ph.COhep-ph

A note on oscillons: non-negligible metric fluctuations during preheating

Daniel del-Corral, Paolo Gondolo, K. Sravan Kumar et al. · 18 Sep 2026

astro-ph.COgr-qc

Combining astrometry with pulsar timing: the first joint analysis of very low frequency gravitational waves

Lorenzo Filipello, William Beordo, Volodymyr Akhmetov et al. · 18 Sep 2026

astro-ph.IMastro-ph.COastro-ph.HEgr-qc

Lens Modeling and Cosmological Inference from an Impure Sample of Galaxy-Galaxy Strong Lenses

Philip Holloway, Aprajita Verma, Philip J. Marshall et al. · 18 Sep 2026

astro-ph.COastro-ph.GA

Beyond Disk Truncation: X-ray Reverberation Signatures of an Outflowing Corona

Ke Qin, Bei You, Adam Ingram et al. · 18 Sep 2026

astro-ph.HE

Leptogenesis and Planck-scale black hole remnants in a Pati-Salam cosmology

Arnab Chaudhuri, Erdenebulgan Lkhagvadorj, Satyabrata Mahapatra · 18 Sep 2026

hep-ph

Massive scalar's self-mass from gravitons in de Sitter

Dražen Glavan, Shun-Pei Miao, Tomislav Prokopec et al. · 18 Sep 2026

gr-qc

AGN and DSNB Neutrino Oscillation in Dark Matter Background

Po-Yan Tseng, Yu-Min Yeh · 18 Sep 2026

hep-ph

A computer assisted existence proof for a non-Schwarzschild black hole in Einstein--Weyl gravity

Kevin Goldstein, Vishnu Jejjala · 18 Sep 2026

gr-qchep-th

LUX-ZEPLIN's Stairway to Hea$ν$en: limits on elastic scatters of dark matter from solar capture

Debajit Bose, Akash Kumar Saha, Nirmal Raj et al. · 18 Sep 2026

hep-ph

Intrinsic Tidal Shear at the Largest Scales: Galaxy Multiplet Alignment in DESI DR2

C. Lamman, J. Aguilar, S. Ahlen et al. · 18 Sep 2026

astro-ph.CO

A two-component profile of baryonic feedback: hydrostatic and diffuse gas

Kaitlyn Shavelle, Jared Siegel, Leah Bigwood et al. · 18 Sep 2026

astro-ph.CO

Structure and astrophysical properties of dark energy admixed neutron stars

Juan M. Z. Pretel, Sergio B. Duarte, Mariana Dutra et al. · 18 Sep 2026

gr-qcastro-ph.HEnucl-th

Nonlinearly Causal General-Relativistic Two-Fluid Dissipative Magnetohydrodynamics

Elias R. Most, Samuel J. Dunham · 18 Sep 2026

astro-ph.HEastro-ph.IMgr-qcnucl-th

Euclid: Quick Data Release (Q1) -- Optical hotspots in powerful radio galaxies

M. J. Hardcastle, L. Bisigello, M. Bondi et al. · 18 Sep 2026

astro-ph.HEastro-ph.GA

Light bending and observational bounds in dyonic Kalb-Ramond gravity

A. A. Araújo Filho · 18 Sep 2026

gr-qchep-th

Non-linear halo bias for accurate modelling of cosmic infrared background anisotropies

Baptiste Jego, Matthieu Béthermin, Katarina Kraljic et al. · 18 Sep 2026

astro-ph.CO

Resurrecting Electroweak Dark Matter via Type-II Seesaw in light of recent LZ Event

Partha Kumar Paul, Sujit Kumar Sahoo, Narendra Sahu et al. · 18 Sep 2026

hep-phastro-ph.COhep-exhep-th

The AGN Channel in 3D: Scattering Belts and the Importance of Eccentricity in the Black Hole Population

Connar Rowan, Martin E. Pessah · 18 Sep 2026

astro-ph.GAastro-ph.HE

Rotating Neutron Star Migrations as a Standardized Test for 3+1 Numerical Relativity

Óscar H. Petit, José A. Font, Nikolaos Stergioulas · 18 Sep 2026

gr-qc

Geometrically Thin Sub-Eddington AGN Accretion Disks show a suppressed Lyman Edge

Ish Kaul, Yan-Fei Jiang, Omer Blaes et al. · 18 Sep 2026

astro-ph.HEastro-ph.GA

Resonant Gravitational Production of Chiral Dark Photons

Leah Jenks, Marc Kamionkowski, Edward W. Kolb · 18 Sep 2026

hep-phastro-ph.COgr-qchep-th

Gravitational Waves from Long Strings and Loops

Christos Litos, Sarunas Verner, Wei Xue et al. · 18 Sep 2026

hep-ph

Galaxy-SMBH co-evolution in 2,435 DESI disk galaxies and merger-free BH growth in bulgeless disks

Sophie M. Jewell, Rebecca J. Smethurst, Chris J. Lintott et al. · 18 Sep 2026

astro-ph.GAastro-ph.HE

Non-Perturbative Modulus Decay and Multi-Component Dark Matter

Gordon Kane, Leia Price, Luis Rufino et al. · 18 Sep 2026

hep-phastro-ph.COhep-th

Model-Independent Measurement of Baryon Gas Fractions through Galaxy-Galaxy Lensing and the Kinematic Sunyaev-Zel'dovich Effect

R. Henry Liu, Uroš Seljak, Simone Ferraro et al. · 18 Sep 2026

astro-ph.COastro-ph.GA

Stress-testing the spatially flat Universe: nonparametric spatial curvature determination from DESI DR2

Hannah C. Turner, Suhail Dhawan, Sunny Vagnozzi et al. · 18 Sep 2026

astro-ph.COgr-qc

Charged particles and fields in bumblebee gravity: Periodic orbits and superradiance

Marco A. A. de Paula, Renan B. Magalhães, V. B. Bezerra et al. · 18 Sep 2026

gr-qc

Inflated Supermassive Stars as Little Red Dots and Progenitors of Supermassive Black Holes

Wenbin Lu · 18 Sep 2026

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

Flexible numerical characteristic gluing to extremal Reissner-Nordström black holes

Junwoo Lee · 18 Sep 2026

gr-qc

Axio-Dilaton Dark Energy: A Dynamical Systems and Bayesian Inference Analysis

Mario Ramos-Hamud, Gabriela García-Arroyo, Fernando Quevedo et al. · 18 Sep 2026

astro-ph.COhep-phhep-th

The Deep Learning Halo Definer: A Multimodal Framework for Halo Mass and Gas Fraction Inference on Galaxy Groups and Clusters

Caleb Ogle, Kalvyn N. Poncelet Adams, Benjamin D. Oppenheimer et al. · 18 Sep 2026

astro-ph.GAastro-ph.CO

The chirping of Lense-Thirring precession in tidal disruption event accretion flows

Andrew Mummery, Eliot Quataert · 18 Sep 2026

astro-ph.HE

Hunting Thermal Relics in the DESI DR1 Ly$α$ Forest

Emanuelly Silva, Artur Ladeira, Rafael C. Nunes et al. · 18 Sep 2026

astro-ph.COhep-ph

Black Holes as Frequency-Dependent Filters of Stochastic Gravitational Waves

Sefi Katznelson, Aidan Minger, Stefano Profumo · 18 Sep 2026

gr-qcastro-ph.COastro-ph.HEhep-ph

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