Astrophysics Papers

A ready-to-fit inhomogeneous cosmological model: the axially symmetric Szekeres spacetime Marie-Noëlle Célérier arxiv.org/abs/2604.16160 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

Probing Primordial Black Holes with upcoming Radio Telescopes: a case study for LOFAR2.0, FAST Core Array and BINGO Joao R. L. Santos, Guillem Domènech, Amilcar R. Queiroz arxiv.org/abs/2604.16154 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌 𝚑𝚎𝚙-𝚝𝚑]

Inferring Halo Mass and Scale Radius of Galaxy Clusters Using Convolutional Neural Networks and Uchuu-UniverseMachine Catalogs Hirobumi Tominaga, Asuka Nakamura, Tomoaki Ishiyama, … arxiv.org/abs/2604.15932 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙸𝙼] 💬submitted to ApJ

Inverting Fisher biases for fast systematics exploration Biancamaria Sersante, Christos Georgiou, Nora Elisa Chisari arxiv.org/abs/2604.15797 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾]

Probing the large-scale structure with 21cm-galaxy cross-bispectrum: Estimates from simulations and forecasts for upcoming cosmological surveys Leon Noble, Suman Majumdar, Matteo Viel, Fabio Fontanot, … arxiv.org/abs/2604.15440 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾] 💬submitted to ApJ

PySCo-EFT and ECOSMOG-EFT: a tandem of N-body simulation codes for the Effective Field Theory of Dark Energy Himanish Ganjoo, Yann Rasera, Emilio Bellini, Michel-Andrès Breton, … arxiv.org/abs/2604.15434 [𝚊𝚜𝚝𝚛𝚘-𝚙𝚑.𝙲𝙾 𝚐𝚛-𝚚𝚌] 💬Code: github.com/hganjoo/pyscoe…

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]