Cosmology and Nongalactic Astrophysics

Authors and titles for recent submissions

• Fri, 21 Jun 2024
• Wed, 19 Jun 2024
• Tue, 18 Jun 2024
• Mon, 17 Jun 2024
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Fri, 21 Jun 2024 (showing first 25 of 32 entries )

[1] arXiv:2406.14554 [pdf, html, other]

Title: Neutrino mass bounds from DESI 2024 are relaxed by Planck PR4 and cosmological supernovae

Itamar J. Allali, Alessio Notari

Comments: 5 pages, 3 figures, 2 tables, plus appendices

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

[2] arXiv:2406.14519 [pdf, html, other]

Title: ForSE+: Simulating non-Gaussian CMB foregrounds at 3 arcminutes in a stochastic way based on a generative adversarial network

Jian Yao, Nicoletta Krachmalnicoff, Marianna Foschi, Giuseppe Puglisi, Carlo Baccigalupi

Comments: Published in A&A. Comments welcome

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

[3] arXiv:2406.14475 [pdf, html, other]

Title: The feasibility of weak lensing and 21cm intensity mapping cross-correlation measurements

Anut Sangka, David Bacon

Comments: 15 pages, 15 figures

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

[4] arXiv:2406.14152 [pdf, html, other]

Title: Clocking the End of Cosmic Inflation

Jerome Martin, Christophe Ringeval, Vincent Vennin

Comments: 24 pages, 2 figures, uses jcappub

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)

[5] arXiv:2406.13887 [pdf, html, other]

Title: Dark Matter and General Relativistic Instability in Supermassive Stars

Kyle S. Kehrer, George M. Fuller

Comments: 11 pages, 2 figures

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

[6] arXiv:2406.13747 [pdf, html, other]

Title: Cosmological tests with bright and dark standard sirens

Isabela S. Matos

Comments: Contribution to the 2024 Cosmology session of the 58th Rencontres de Moriond

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

[7] arXiv:2406.13736 [pdf, html, other]

Title: Constraining cosmological parameters using void statistics from the SDSS survey

Elena Fernández-García, Juan E. Betancort-Rijo, Francisco Prada, Tomoaki Ishiyama, Anatoly Klypin

Comments: 22 pages, 18 figures. All data sets are made publicly available in this https URL

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

[8] arXiv:2406.13667 [pdf, html, other]

Title: Matter Power Spectra in Modified Gravity: A Comparative Study of Approximations and $N$-Body Simulations

Benjamin Bose, Ashim Sen Gupta, Bartolomeo Fiorini, Guilherme Brando, Farbod Hassani, Tessa Baker, Lucas Lombriser, Baojiu Li, Cheng-Zong Ruan, Cesar Hernandez-Aguayo, Luis Atayde, Noemi Frusciante

Comments: 20 pages, 4 figures, 4 tables

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

[9] arXiv:2406.13519 [pdf, html, other]

Title: Strongly lensed supernovae: lessons learned

Ariel Goobar, Joel Johansson, Ana Sagués Carracedo

Comments: Invited review in connection with the "Multi-messenger Gravitational Lensing" workshop hosted by the Royal Society in Manchester, March 11-12, 2024

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

[10] arXiv:2406.13480 [pdf, html, other]

Title: Neutron stars and Pulsar timing arrays as Axion giant gyroscopes

Yiming Liu, Jinneng Luo, Sichun Sun

Comments: 6 pages, 2 figures

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

[11] arXiv:2406.13388 [pdf, html, other]

Title: Suppression without Thawing: Constraining Structure Formation and Dark Energy with Galaxy Clustering

Shi-Fan Chen, Mikhail M. Ivanov, Oliver H. E. Philcox, Lukas Wenzl

Comments: 9 pages, 2 figures, to be submitted to PRL

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

[12] arXiv:2406.13079 [pdf, html, other]

Title: Predicting the 21 cm field with a Hybrid Effective Field Theory approach

Danial Baradaran, Boryana Hadzhiyska, Martin J. White, Noah Sailer

Comments: 14 pages, 11 figures, submitted to PRD

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

[13] arXiv:2406.13056 [pdf, html, other]

Title: Mildly boosted dark matter annihilation and reconciling indirect galactic signals

Steven J. Clark

Comments: 6 pages, 3 figures

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

[14] arXiv:2406.12985 [pdf, html, other]

Title: CMB Spectral Distortions: A Multimessenger Probe of the Primordial Universe

Bryce Cyr

Comments: 8 pages, contribution to the 2024 Cosmology session of the 58th Rencontres de Moriond

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

[15] arXiv:2406.12979 [pdf, html, other]

Title: Removal of interloper contamination to line-intensity maps using correlations with ancillary tracers of the large-scale structure

José Luis Bernal, Antón Baleato Lizancos

Comments: 11 pages (+1 page appendices + references), 4 figures

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

[16] arXiv:2406.12976 [pdf, html, other]

Title: Large Blue Spectral Index From a Conformal Limit of a Rotating Complex Scalar

Daniel J. H. Chung, Sai Chaitanya Tadepalli

Comments: 52 pages of main text, 13 figures

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

[17] arXiv:2406.14157 (cross-list from gr-qc) [pdf, html, other]

Title: Exact solutions for differentially rotating galaxies in general relativity

Marco Galoppo, David L. Wiltshire

Comments: 5 pages, 2 figures

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

[18] arXiv:2406.14101 (cross-list from astro-ph.IM) [pdf, html, other]

Title: Peculiar Velocity Reconstruction From Simulations and Observations Using Deep Learning Algorithms

Yuyu Wang, Xiaohu Yang

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

[19] arXiv:2406.14089 (cross-list from astro-ph.IM) [pdf, html, other]

Title: The Simons Observatory: Alarms and Detector Quality Monitoring

David V. Nguyen, Sanah Bhimani, Nicholas Galitzki, Brian J. Koopman, Jack Lashner, Laura Newburgh, Max Silva-Feaver, Kyohei Yamada

Comments: 14 pages, 6 figures, 2 tables. To be presented at SPIE Astronomical Telescopes + Instrumentation 2024

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

[20] arXiv:2406.13732 (cross-list from astro-ph.GA) [pdf, html, other]

Title: On the dark matter content of ultra-diffuse galaxies

Andrey Kravtsov

Comments: 9 pages, 6 figures

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

[21] arXiv:2406.13613 (cross-list from astro-ph.GA) [pdf, html, other]

Title: Einasto gravitational potentials have difficulty to hold spherically symmetric stellar systems with cores

Jorge Sanchez Almeida (1 and 2) ((1) Instituto de Astrofisica de Canarias, Tenerife, Spain, (2) Departamento de Astrofisica, Universidad de La Laguna, Tenerife, Spain)

Comments: RNAAS complementing our previous paper Sanchez Almeida et al. (2023, ApJ, 954, 153; doi: https://doi.org/10.3847/1538-4357/ace534)

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

[22] arXiv:2406.13554 (cross-list from astro-ph.GA) [pdf, html, other]

Title: The emergence of the Star Formation Main Sequence with redshift unfolded by JWST

P. Rinaldi, R. Navarro-Carrera, K. I. Caputi, E. Iani, G. Ostlin, L. Colina, S. Alberts, J. Alvarez-Marquez, M. Annunziatella, L. Boogaard, L. Costantin, J. Hjorth, D. Langeroodi, J. Melinder, T. Moutard, F. Walter

Comments: 15 pages, 4 figures. Submitted to ApJ

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

[23] arXiv:2406.13521 (cross-list from gr-qc) [pdf, html, other]

Title: Gravitational-wave background in bouncing models from semi-classical, quantum and string gravity

Ido Ben-Dayan, Gianluca Calcagni, Maurizio Gasperini, Anupam Mazumdar, Eliseo Pavone, Udaykrishna Thattarampilly, Amresh Verma

Comments: 1+33 pages, 4 figures

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

[24] arXiv:2406.13479 (cross-list from astro-ph.HE) [pdf, html, other]

Title: Is Lensing Amplitude Anomaly in the Cosmic Microwave Background the Evidence of Extremely Low Frequency Primordial Gravitational Wave?

Wenshuai Liu

Comments: 3 pages, 2 figures

Subjects: High Energy Astrophysical Phenomena (astro-ph.HE); Cosmology and Nongalactic Astrophysics (astro-ph.CO)

[25] arXiv:2406.13394 (cross-list from gr-qc) [pdf, html, other]

Title: Gravitational Wave Birefringence from Fuzzy Dark Matter

Da Huang, Ze-Xuan Xiong

Comments: 7 pages

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