Astrophysics Papers

Gravitational-wave lensing beyond rays: a disordered-system approach Ripalta Amoruso, Ginevra Braga, Alice Garoffolo, Francescopaolo Lopez, Nicola Bartolo, Sabino Matarrese arxiv.org/abs/2604.15313 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚌𝚘𝚗𝚍-𝚖𝚊𝚝.𝚍𝚒𝚜-𝚗𝚗 𝚐𝚛-𝚚𝚌]

Neutrino self-interactions in post-reionization era: Lyman-α, 21-cm and cross-spectra Sourav Pal, Supratik Pal arxiv.org/abs/2604.15287 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚑𝚎𝚙-𝚙𝚑]

Nonperturbative stochastic inflation in perturbative dynamical background Xiao-Quan Ye, Shao-Jiang Wang arxiv.org/abs/2604.15219 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌 𝚑𝚎𝚙-𝚝𝚑]

Cosmology of Inelastic Self-Interacting Dark Matter: Linear Evolution and Observational Constraints Xin-Chen Duan, Yue-Lin Sming Tsai, Ziwei Wang arxiv.org/abs/2604.15006 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚑𝚎𝚙-𝚙𝚑]

Microscopic primordial black holes as macroscopic dark matter from large extra dimensions Giuseppe Filiberto Vitale, Gaetano Lambiase, Tanmay Kumar Poddar, Luca Visinelli arxiv.org/abs/2604.14871 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚑𝚎𝚙-𝚙𝚑]

Euclid. Populating a dark universe with galaxies using SciPIC Euclid Collaboration, E. J. Gonzalez, J. Carretero, Z. Baghkhani, F. J. Castander, P. Fosalba, P. Tallada-Crespí, J. Stadel, D. Potter, … arxiv.org/abs/2604.14802 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾] 💬Submitted to A&amp

Tracking ionization balance in intergalactic medium and its implications towards metallicity Bhaskar Arya, Kartick C. Sarkar, Shiv K. Sethi arxiv.org/abs/2604.14676 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

Constraining Quintessential Inflation with ACT: A Gauss-Bonnet Gateway Yogesh, Imtiyaz Ahmad Bhat, Mayukh R. Gangopadhyay, M. Sami arxiv.org/abs/2604.14659 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌]

Closing the Observational Gap in Cosmic Dynamics: AI-Enabled Reconstruction of the Universe's Vorticity and Rotational Flow Morphology Ziyong Wu, Xu Xiao, Fuyu Dong, Juhan Kim, Yan-Chuan Cai, Yang Wang, … arxiv.org/abs/2604.14653 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙶𝙰]

Forecasting neutrino mass constraints from the Nancy Grace Roman Space Telescope Francesco Spezzati, Yun Wang, Andrew Hearin arxiv.org/abs/2604.14504 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

The Atacama Cosmology Telescope: A Test of the Gravitational Force Law on Cosmological Scales Using the Kinematic Sunyaev-Zeldovich Effect Patricio A. Gallardo, Kris Pardo, Oliver H. E. Philcox, Nicholas Battaglia, … arxiv.org/abs/2604.14327 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

An Improved Fit for Linear Halo Bias at High Redshift Kuan Wang, Julian B. Muñoz, L. Y. Aaron Yung arxiv.org/abs/2604.14312 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾] 💬submitted to PRL, comments are welcome

TDCOSMO XXV: A "soup-to-nuts" 6.5% H₀ measurement - strong lensing and dynamics with a maximally flexible mass sheet William Sheu, Tommaso Treu, Martin Millon, Frédéric Dux, … arxiv.org/abs/2604.14145 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙶𝙰] 💬submitted to Physical Review D

BROOM: a python package for model-independent analysis of microwave astronomical data Alessandro Carones, Sijil Jose, Aliza Mustafa, Nicoletta Krachmalnicoff, Carlo Baccigalupi arxiv.org/abs/2604.14088 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙸𝙼]

Dark energy, spatial curvature, and star formation efficiency from JWST photometric and spectroscopic high-redshift galaxies Leonardo Comini, Sunny Vagnozzi, Abraham Loeb arxiv.org/abs/2604.13866 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙶𝙰 𝚐𝚛-𝚚𝚌]

Denoising clustering covariance matrices with Rotational Invariant Estimators Antonio Farina, Massimo Guidi, Alfonso Veropalumbo, Claudio Guida arxiv.org/abs/2604.13851 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

Optical depth to reionization in a Universe with multiple inhomogeneous domains Shashank Shekhar Pandey, Ruchika, Subhadeep Mukherjee, A. S. Majumdar arxiv.org/abs/2604.13718 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

Reanalysing large-scale structure using an updated gamma-ray burst spatial density approach Istvan Horvath, Zsolt Bagoly, Jon Hakkila, Lajos G. Balazs, Janos Horvath, Sandor Pinter, Istvan I. Racz, … arxiv.org/abs/2604.13712 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙷𝙴]

Reconstructing inflationary features on large scales using genetic algorithm Alipriyo Hoory, Dhiraj Kumar Hazra, L. Sriramkumar arxiv.org/abs/2604.13547 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌 𝚑𝚎𝚙-𝚝𝚑]

Double the axions, half the tension: multi-field early dark energy eases the Hubble tension Marco Bella, Vivian Poulin, Sunny Vagnozzi, Lloyd Knox arxiv.org/abs/2604.13535 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌 𝚑𝚎𝚙-𝚙𝚑]