Cosmology and Nongalactic Astrophysics

Authors and titles for recent submissions

• Thu, 10 Apr 2025
• Wed, 9 Apr 2025
• Tue, 8 Apr 2025
• Mon, 7 Apr 2025
• Fri, 4 Apr 2025

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Thu, 10 Apr 2025 (showing 17 of 17 entries )

[1] arXiv:2504.07090 [pdf, html, other]

Title: A Differentiable, End-to-End Forward Model for 21 cm Cosmology: Estimating the Foreground, Instrument, and Signal Joint Posterior

Nicholas Kern

Comments: 26 pages, 15 figures; Submitted to MNRAS

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Instrumentation and Methods for Astrophysics (astro-ph.IM)

[2] arXiv:2504.07063 [pdf, html, other]

Title: Non-Gaussianity of Tensor Induced Density Perturbations

Mariam Abdelaziz, Pritha Bari, Sabino Matarrese, Angelo Ricciardone

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[3] arXiv:2504.07039 [pdf, html, other]

Title: Microlensing at Cosmological Distances: Event Rate Predictions in the Warhol Arc of MACS 0416

J.M. Palencia, J.M. Diego, L. Dai, M. Pascale, R. Windhorst, A. M. Koekemoer, Sung Kei Li, B. J. Kavanagh, Fengwu Sun, Amruth Alfred, Ashish K. Meena, Thomas J. Broadhurst, Patrick L. Kelly, Derek Perera, Hayley Williams, Adi Zitrin

Comments: 19 pages, 13 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); Solar and Stellar Astrophysics (astro-ph.SR)

[4] arXiv:2504.06992 [pdf, html, other]

Title: Constraining the $z \sim 1$ IMF with {\it HST} and {\it JWST} lensed stars in MACS J0416.1-2403

Sung Kei Li, Jose M. Diego, Ashish K. Meena, Jeremy Lim, Leo W.H. Fung, Arsen Levitskiy, James Nianias, Jose M. Palencia, Hayley Williams, Jiashuo Zhang, Alfred Amruth, Thomas J. Broadhurst, Wenlei Chen, Alexei V. Filippenko, Patrick L. Kelly, Anton M. Koekemoer, Derek Perera, Bangzheng Sun, Liliya L.R. Williams, Rogier A. Windhorst, Haojin Yan, Adi Zitrin

Comments: 23 pages, 9 figures, to be submitted to ApJ, comments welcomed

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[5] arXiv:2504.06919 [pdf, html, other]

Title: Correcting for interloper contamination in the power spectrum with neural networks

Marina S. Cagliari, Azadeh Moradinezhad Dizgah, Francisco Villaescusa-Navarro

Comments: 15 pages, 6 figures, 3 tables. Data available at this https URL . Public code available at this https URL

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[6] arXiv:2504.06845 [pdf, html, other]

Title: Probability density function for dispersion measure of fast radio burst from extragalactic medium

Yuchen Zhang, Yang Liu, Hongwei Yu, Puxun Wu

Comments: 15 pages, 2 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[7] arXiv:2504.06831 [pdf, html, other]

Title: Hubble tension and small-scale inhomogeneities on light propagation

Lucila Kraiselburd, Cassio Pigozzo, Susana J. Landaud, Jailson Alcaniz

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[8] arXiv:2504.06784 [pdf, html, other]

Title: Modified gravity realizations of quintom dark energy after DESI DR2

Yuhang Yang, Qingqing Wang, Xin Ren, Emmanuel N. Saridakis, Yi-Fu Cai

Comments: 11 pages, 3 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[9] arXiv:2504.06770 [pdf, html, other]

Title: Measuring and predicting galaxy assembly bias across galaxy samples

Sergio García-Moreno, Jonás Chaves-Montero

Comments: 8 pages, submitted to A&A, comments are welcome

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[10] arXiv:2504.06709 [pdf, html, other]

Title: Universal profile for cosmic birefringence tomography with radio galaxies

Fumihiro Naokawa

Comments: 6 pages, 2 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); High Energy Astrophysical Phenomena (astro-ph.HE); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[11] arXiv:2504.06367 [pdf, html, other]

Title: Constraining Mixed Dark Matter models with high redshift Lyman-alpha forest data

Olga Garcia-Gallego, Vid Iršič, Martin G. Haehnelt, Matteo Viel, James S. Bolton

Comments: 17 pages, 11 figures, submitted

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[12] arXiv:2504.07056 (cross-list from astro-ph.GA) [pdf, html, other]

Title: The Lyman-alpha and Continuum Origins Survey I: Survey description and Ly$α$ imaging

Alexandra Le Reste, Claudia Scarlata, Matthew Hayes, Jens Melinder, Alberto Saldana-Lopez, Axel Runnholm, Yu-Heng Lin, Ricardo O. Amorín, Hakim Atek, Sanchayeeta Borthakur, Cody A. Carr, Sophia R. Flury, Mauro Giavalisco, Alaina Henry, Anne E. Jaskot, Zhiyuan Ji, Intae Jung, Floriane Leclercq, Rui Marques-Chaves, Stephan R. McCandliss, M. S. Oey, Göran Östlin, Swara Ravindranath, Daniel Schaerer, Trinh X. Thuan, Xinfeng Xu

Comments: Submitted to ApjS

Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[13] arXiv:2504.06870 (cross-list from astro-ph.IM) [pdf, html, other]

Title: Bayesian Component Separation for DESI LAE Automated Spectroscopic Redshifts and Photometric Targeting

Ana Sofía M. Uzsoy, Andrew K. Saydjari, Arjun Dey, Anand Raichoor, Douglas P. Finkbeiner, Eric Gawiser, Kyoung-Soo Lee, Steven Ahlen, Davide Bianchi, David Brooks, Todd Claybaugh, Andrei Cuceu, Axel de la Macorra, Peter Doel, Andreu Font-Ribera, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, Mustapha Ishak, Robert Kehoe, David Kirkby, Anthony Kremin, Martin Landriau, Laurent Le Guillou, Aaron Meisner, Ramon Miquel, John Moustakas, Nathalie Palanque-Delabrouille, Francisco Prada, Ignasi Pérez-Ràfols, Graziano Rossi, Eusebio Sanchez, David Schlegel, Michael Schubnell, Hee-Jong Seo, David Sprayberry, Gregory Tarlé, Benjamin Alan Weaver, Hu Zou

Comments: 19 pages, 10 figures

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Cosmology and Nongalactic Astrophysics (astro-ph.CO); Applications (stat.AP)

[14] arXiv:2504.06788 (cross-list from astro-ph.GA) [pdf, html, other]

Title: FOREVER22: Insights into star formation and clustering properties of protoclusters from simulations and JWST

Kana Morokuma-Matsui, Hidenobu Yajima, Makito Abe

Comments: 16 pages, 13 figures, accepted for publication in MNRAS

Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[15] arXiv:2504.06653 (cross-list from hep-ph) [pdf, html, other]

Title: Hunting axion dark matter signatures in low-frequency terrestrial magnetic fields

Atsushi Taruya, Atsushi Nishizawa, Yoshiaki Himemoto

Comments: 6 pages, 3 figures

Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[16] arXiv:2504.06539 (cross-list from hep-th) [pdf, html, other]

Title: Graviton stimulated emission in squeezed vacuum states

Atsuhisa Ota, Yuhang Zhu

Comments: 23 pages, 5 figures

Subjects: High Energy Physics - Theory (hep-th); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[17] arXiv:2504.06309 (cross-list from astro-ph.IM) [pdf, html, other]

Title: AI-Driven Reconstruction of Large-Scale Structure from Combined Photometric and Spectroscopic Surveys

Wenying Du, Xiaolin Luo, Zhujun Jiang, Xu Xiao, Qiufan Lin, Xin Wang, Yang Wang, Fenfen Yin, Le Zhang, Xiao-Dong Li

Subjects: Instrumentation and Methods for Astrophysics (astro-ph.IM); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

Wed, 9 Apr 2025 (showing 20 of 20 entries )

[18] arXiv:2504.06266 [pdf, html, other]

Title: Constraining the [CII] luminosity function from the power spectrum of line intensity maps at redshift 3.6

Elena Marcuzzo, Cristiano Porciani, Emilio Romano-Díaz, Prachi Khatri

Comments: 19 pages, 18 figures, 5 tables. Submitted to A&A

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[19] arXiv:2504.06183 [pdf, html, other]

Title: Primordial Features in light of the Effective Field Theory of Large Scale Structure

Rodrigo Calderon, Theo Simon, Arman Shafieloo, Dhiraj Kumar Hazra

Comments: 41 pages, 20 figures, comments are welcome!

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[20] arXiv:2504.06118 [pdf, html, other]

Title: Dynamical Dark Energy in light of the DESI DR2 Baryonic Acoustic Oscillations Measurements

Gan Gu, Xiaoma Wang, Yuting Wang, Gong-Bo Zhao, Levon Pogosian, Kazuya Koyama, John A. Peacock, Zheng Cai, Jorge L. Cervantes-Cota, Ruiyang Zhao, Steven Ahlen, Davide Bianchi, David Brooks, Todd Claybaugh, Shaun Cole, Axel de la Macorra, Arnaud de Mattia, Peter Doel, Simone Ferraro, Jaime E. Forero-Romero, Enrique Gaztañaga, Satya Gontcho A Gontcho, Gaston Gutierrez, ChangHoon Hahn, Cullan Howlett, Mustapha Ishak, Robert Kehoe, David Kirkby, Jean-Paul Kneib, Ofer Lahav, Martin Landriau, Laurent Le Guillou, Alexie Leauthaud, Michael Levi, Marc Manera, Aaron Meisner, Ramon Miquel, John Moustakas, Andrea Muñoz-Gutiérrez, Seshadri Nadathur, Jeffrey A. Newman, Nathalie Palanque-Delabrouille, Will Percival, Francisco Prada, Ignasi Pérez-Ràfols, Graziano Rossi, Lado Samushia, Eusebio Sanchez, David Schlegel, Hee-Jong Seo, Arman Shafieloo, David Sprayberry, Gregory Tarlé, Michael Walther, Benjamin Alan Weaver, Pauline Zarrouk, Cheng Zhao, Rongpu Zhou, Hu Zou

Comments: 14+9 pages, 5+7 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[21] arXiv:2504.06002 [pdf, html, other]

Title: Has ACT measured radiative corrections to the tree-level Higgs-like inflation?

Ioannis D. Gialamas, Alexandros Karam, Antonio Racioppi, Martti Raidal

Comments: 5 pages, 2 figues

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[22] arXiv:2504.05937 [pdf, html, other]

Title: On the Hamilton-Jacobi approach to inflation beyond slow roll

Danilo Artigas, Emmanuel Frion, Tays Miranda, Vincent Vennin, David Wands

Comments: 15 pages main text, 4 pages appendix, 0 figure

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[23] arXiv:2504.05875 [pdf, html, other]

Title: Gravitational waves from primordial black hole dominance: The effect of inflaton decay rate

Daniel del-Corral, K. Sravan Kumar, João Marto

Comments: 30 pages, 8 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[24] arXiv:2504.05814 [pdf, html, other]

Title: The threshold for PBH formation in the type-II region and its analytical estimation

Albert Escrivà

Comments: 7 pages and 3 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[25] arXiv:2504.05813 [pdf, html, other]

Title: A new approach for simulating PBH formation from generic curvature fluctuations with the Misner-Sharp formalism

Albert Escrivà

Comments: 27 pages and 7 figures. Basic version of the numerical code publicly available here: this https URL

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Theory (hep-th)

[26] arXiv:2504.05597 [pdf, html, other]

Title: Exploring Statistical Isotropy in Planck Data Release 4: Angular Clustering and Cosmological Parameter Variations Across the Sky

C. Gimeno-Amo, F. K. Hansen, E. Martínez-González, R. B. Barreiro, A. J. Banday

Comments: 24 pages, 19 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[27] arXiv:2504.05387 [pdf, html, other]

Title: The Route to Unveil the Cosmic Genealogy of Supermassive Black Hole Binaries Using Nano-Hertz Gravitational Waves and Galaxy Surveys

Mohit Raj Sah, Suvodip Mukherjee

Comments: 19 pages, 13 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); General Relativity and Quantum Cosmology (gr-qc)

[28] arXiv:2504.05384 [pdf, html, other]

Title: Cosmic Infrared Background Tomography and a Census of Cosmic Dust and Star Formation

Yi-Kuan Chiang, Ryu Makiya, Brice Ménard

Comments: 29 pages, 12 figures, submitted to ApJ. Associated data files: this https URL

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[29] arXiv:2504.05354 [pdf, html, other]

Title: Scanning the Universe for Large-Scale Structures using Gamma-Ray Bursts

Istvan Horvath, Zsolt Bagoly, Lajos G. Balazs, Jon Hakkila, Bendeguz Koncz, Istvan I. Racz, Peter Veres, Sandor Pinter

Comments: submitted

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[30] arXiv:2504.06224 (cross-list from gr-qc) [pdf, html, other]

Title: Nonlinear Tails of Gravitational Waves in Schwarzschild Black Hole Ringdown

Alex Kehagias, Antonio Riotto

Comments: Latex file, 9 pages

Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[31] arXiv:2504.06035 (cross-list from gr-qc) [pdf, html, other]

Title: Cosmic inflation in non-perturbative quantum gravity

Alexey S. Koshelev, Abhishek Naskar

Comments: 24 pages, 1 figure

Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th)

[32] arXiv:2504.05893 (cross-list from astro-ph.GA) [pdf, html, other]

Title: Pushing JWST to the extremes: search and scrutiny of bright galaxy candidates at z$\simeq$15-30

M. Castellano, A. Fontana, E. Merlin, P. Santini, L. Napolitano, N. Menci, A. Calabrò, D. Paris, L. Pentericci, J. Zavala, M. Dickinson, S. L. Finkelstein, T. Treu, R. O. Amorin, P. Arrabal Haro, P. Bergamini, L. Bisigello, E. Daddi, P. Dayal, A. Dekel, A. Ferrara, F. Fortuni, G. Gandolfi, M. Giavalisco, C. Grillo, S. T. Guida, N. P. Hathi, B. W. Holwerda, A. M. Koekemoer, V. Kokorev, Z. Li, M. Llerena, R. A. Lucas, S. Mascia, B. Metha, T. Morishita, T. Nanayakkara, F. Pacucci, P. G. Pérez-González, G. Roberts-Borsani, G. Rodighiero, P. Rosati, V. Salazar, R. Schneider, R. S. Somerville, A. Taylor, M. Trenti, A. Trinca, X. Wang, P. J. Watson, L. Yang, L. Y. A. Yung

Comments: 22 pages, 15 figures, 5 tables; Submitted to Astronomy & Astrophysics

Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[33] arXiv:2504.05835 (cross-list from hep-ph) [pdf, html, other]

Title: Scalar-assisted magnetogenesis during the radiation-dominated epoch

Alexandar Ganz, Chunshan Lin, Mian Zhu

Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[34] arXiv:2504.05616 (cross-list from astro-ph.GA) [pdf, html, other]

Title: A Redshift Survey of the Coma Cluster (A1656): Understanding the Nature of Subhalos in the Weak-lensing Map

Wooseok Kang, Ho Seong Hwang, Nobuhiro Okabe, Changbom Park

Comments: 23 pages excluding appendix, 14 figures, accepted for publication in ApJS. 2 figure sets to be published as online-only materials are included in the appendix

Subjects: Astrophysics of Galaxies (astro-ph.GA); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[35] arXiv:2504.05572 (cross-list from gr-qc) [pdf, html, other]

Title: Conformal form-invariant parametrization of scalar-tensor gravity theories: A critical analysis

Israel Quiros, Amit Kumar Rao

Comments: 14 pages, 1 figure. Companion of e-Print: 2503.12826

Subjects: General Relativity and Quantum Cosmology (gr-qc); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph)

[36] arXiv:2504.05389 (cross-list from hep-ph) [pdf, html, other]

Title: Primordial Stochastic Gravitational Waves from Massive Higher-Spin Bosons

Haipeng An, Zhehan Qin, Zhong-Zhi Xianyu, Borui Zhang

Comments: 63 pages

Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Theory (hep-th)

[37] arXiv:2504.05386 (cross-list from hep-ph) [pdf, html, other]

Title: Supercooled Audible Axions

Christopher Gerlach, Daniel Schmitt, Pedro Schwaller

Comments: 12 pages, 5 figures + appendix

Subjects: High Energy Physics - Phenomenology (hep-ph); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

Tue, 8 Apr 2025 (showing first 13 of 28 entries )

[38] arXiv:2504.05235 [pdf, html, other]

Title: IAEmu: Learning Galaxy Intrinsic Alignment Correlations

Sneh Pandya, Yuanyuan Yang, Nicholas Van Alfen, Jonathan Blazek, Robin Walters

Comments: 16 pages, 10 figures, 1 table

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); Machine Learning (cs.LG)

[39] arXiv:2504.04961 [pdf, html, other]

Title: Probing gravity with non-linear clustering in redshift space

C. Viglione, P. Fosalba, I. Tutusaus, L. Blot, J. Carretero, P. Tallada, F. Castander

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[40] arXiv:2504.04646 [pdf, html, other]

Title: A New Window on Dynamical Dark Energy: Combining DESI-DR2 BAO with future Gravitational Wave Observations

Felipe Bruno Medeiros dos Santos, Jonathan Morais, Supriya Pan, Weiqiang Yang, Eleonora Di Valentino

Comments: 16 pages, 3 figures, 2 tables

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[41] arXiv:2504.04575 [pdf, html, other]

Title: Quantifying the Velocity Anisotropy Profile of Galaxy Clusters Using the Uchuu Cosmological Simulation

Mohamed H. Abdullah, Raouf H. Mabrouk, Tomoaki Ishiyama, Gillian Wilson, Magdy Y. Amin

Comments: 13 pages, 7 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[42] arXiv:2504.04417 [pdf, html, other]

Title: How much has DESI dark energy evolved since DR1?

Eoin Ó Colgáin, Saeed Pourojaghi, M.M. Sheikh-Jabbari, Lu Yin

Comments: 6 Pages, 5 figures, 3 Tables, Comments welcome

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[43] arXiv:2504.04226 [pdf, html, other]

Title: Has DESI detected exponential quintessence?

Yashar Akrami, George Alestas, Savvas Nesseris

Comments: 9 pages, 3 figures

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph); High Energy Physics - Theory (hep-th)

[44] arXiv:2504.04211 [pdf, html, other]

Title: Accelerated Bayesian Inference for Pulsar Timing Arrays: Normalizing Flows for Rapid Model Comparison Across Stochastic Gravitational-Wave Background Sources

Junrong Lai, Changhong Li

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[45] arXiv:2504.04135 [pdf, html, other]

Title: Unveiling the Coma Cluster Structure: From the Core to the Hubble Flow

David Benisty, Jenny Wagner, Sandeep Haridasu, Paolo Salucci

Comments: 21 pages; 13 figures; comments are welcome

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA); Instrumentation and Methods for Astrophysics (astro-ph.IM); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[46] arXiv:2504.04118 [pdf, html, other]

Title: Joint Analysis of Constraints on f(R) Parametrization from Recent Cosmological Observations

Darshan Kumar (HNAS), Praveen Kumar Dhankar (SITN), Saibal Ray (GLA), Fengge Zhang (HNAS)

Comments: 14 pages, 13 figures, and 6 tables. Comments are welcome!

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[47] arXiv:2504.04054 [pdf, html, other]

Title: SageNet: Fast Neural Network Emulation of the Stiff-amplified Gravitational Waves from Inflation

Fan Zhang, Yifang Luo, Bohua Li, Ruihan Cao, Wenjin Peng, Joel Meyers, Paul R. Shapiro

Comments: 19 pages, 16 figures, 2 tables, submitted, comments welcome. Code available at: this https URL

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc); High Energy Physics - Phenomenology (hep-ph)

[48] arXiv:2504.03908 [pdf, html, other]

Title: Emission line stacking of 21cm intensity maps with MeerKLASS: Inference pipeline and application to the L-band deep-field data

Zhaoting Chen, Steven Cunnington, Alkistis Pourtsidou, Laura Wolz, Marta Spinelli, José Luis Bernal, Matilde Barberi-Squarotti, Stefano Camera, Isabella P. Carucci, José Fonseca, Keith Grainge, Melis O. Irfan, Mario G. Santos, Jingying Wang (the MeerKLASS Collaboration)

Comments: 38 pages, 24 figures. Submitted to ApJS

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); Astrophysics of Galaxies (astro-ph.GA)

[49] arXiv:2504.03855 [pdf, html, other]

Title: Energy conditions in $f(Q, L_m)$ gravity

Y. Myrzakulov, O. Donmez, M. Koussour, S. Muminov, D. Ostemir, J. Rayimbaev

Comments: The European Physical Journal C published version

Journal-ref: Eur. Phys. J. C 85, 376 (2025)

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO); General Relativity and Quantum Cosmology (gr-qc)

[50] arXiv:2504.03848 [pdf, html, other]

Title: Large-scale surveys of the quasar proximity effect

Rupert A.C. Croft (CMU), Patrick Shaw (CMU), Ann-Marsha Alexis (CMU), Nianyi Chen (IAS), Yihao Zhou (CMU), Tiziana Di Matteo (CMU), Simeon Bird (UCR), Patrick Lachance (CMU), Yueying Ni (CfA)

Comments: 17 pages, 15 figures, to be submitted to OJA

Subjects: Cosmology and Nongalactic Astrophysics (astro-ph.CO)