arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
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Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Massimo Giovannini: The initial states of high frequency gravitons https://arxiv.org/abs/2602.14235 https://arxiv.org/pdf/2602.14235 https://arxiv.org/html/2602.14235
February 17, 2026 at 6:43 AM
Massimo Giovannini: The initial states of high frequency gravitons https://arxiv.org/abs/2602.14235 https://arxiv.org/pdf/2602.14235 https://arxiv.org/html/2602.14235
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Yan-Chen Bi, Yu-Mei Wu, Qing-Guo Huang: Harmonic Analysis on Correlation for Gravitational-Wave Backgrounds of Arbitrary Polarization from Interfering Sources in Generic Dispersion Relation https://arxiv.org/abs/2602.13621 https://arxiv.org/pdf/2602.13621 https://arxiv.org/html/2602.13621
February 17, 2026 at 6:43 AM
Yan-Chen Bi, Yu-Mei Wu, Qing-Guo Huang: Harmonic Analysis on Correlation for Gravitational-Wave Backgrounds of Arbitrary Polarization from Interfering Sources in Generic Dispersion Relation https://arxiv.org/abs/2602.13621 https://arxiv.org/pdf/2602.13621 https://arxiv.org/html/2602.13621
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Sylvain Fichet, Eugenio Megias, Mariano Quiros: Holographic Dark Matter https://arxiv.org/abs/2602.13393 https://arxiv.org/pdf/2602.13393 https://arxiv.org/html/2602.13393
February 17, 2026 at 6:44 AM
Sylvain Fichet, Eugenio Megias, Mariano Quiros: Holographic Dark Matter https://arxiv.org/abs/2602.13393 https://arxiv.org/pdf/2602.13393 https://arxiv.org/html/2602.13393
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Wen Li, Chao Chen: Evolution of Linear Perturbations under Time-Dependent Hubble Friction I: SR-USR-SR Inflation https://arxiv.org/abs/2602.13074 https://arxiv.org/pdf/2602.13074 https://arxiv.org/html/2602.13074
February 16, 2026 at 6:43 AM
Wen Li, Chao Chen: Evolution of Linear Perturbations under Time-Dependent Hubble Friction I: SR-USR-SR Inflation https://arxiv.org/abs/2602.13074 https://arxiv.org/pdf/2602.13074 https://arxiv.org/html/2602.13074
Debarun Paul, Md Riajul Haque, Supratik Pal: Prospects of Indirect Detection of Dark Matter via Primordial Black Hole Induced Gravitational Waves https://arxiv.org/abs/2602.15026 https://arxiv.org/pdf/2602.15026 https://arxiv.org/html/2602.15026
February 17, 2026 at 6:41 AM
Debarun Paul, Md Riajul Haque, Supratik Pal: Prospects of Indirect Detection of Dark Matter via Primordial Black Hole Induced Gravitational Waves https://arxiv.org/abs/2602.15026 https://arxiv.org/pdf/2602.15026 https://arxiv.org/html/2602.15026
Richard Casey, Katherine Freese, Evangelos I. Sfakianakis: Gravitational Wave Echoes of the First Order Phase Transition in a Kination-Induced Big Bang https://arxiv.org/abs/2602.15023 https://arxiv.org/pdf/2602.15023 https://arxiv.org/html/2602.15023
February 17, 2026 at 6:41 AM
Richard Casey, Katherine Freese, Evangelos I. Sfakianakis: Gravitational Wave Echoes of the First Order Phase Transition in a Kination-Induced Big Bang https://arxiv.org/abs/2602.15023 https://arxiv.org/pdf/2602.15023 https://arxiv.org/html/2602.15023
Jens Chluba, Sara Evangelista, Tom Daman, Geoff Vasil: Improved frequency hierarchy treatment for anisotropic spectral distortions https://arxiv.org/abs/2602.14963 https://arxiv.org/pdf/2602.14963 https://arxiv.org/html/2602.14963
February 17, 2026 at 6:41 AM
Jens Chluba, Sara Evangelista, Tom Daman, Geoff Vasil: Improved frequency hierarchy treatment for anisotropic spectral distortions https://arxiv.org/abs/2602.14963 https://arxiv.org/pdf/2602.14963 https://arxiv.org/html/2602.14963
Flores, Mantz, Allen, Morris, Pan, Somboonpanyakul, Stueber, McDonald: Multiwavelength Characterization of a Dynamically Relaxed Cool Core Galaxy Cluster at $z=1.5$ https://arxiv.org/abs/2602.14882 https://arxiv.org/pdf/2602.14882 https://arxiv.org/html/2602.14882
February 17, 2026 at 6:41 AM
Flores, Mantz, Allen, Morris, Pan, Somboonpanyakul, Stueber, McDonald: Multiwavelength Characterization of a Dynamically Relaxed Cool Core Galaxy Cluster at $z=1.5$ https://arxiv.org/abs/2602.14882 https://arxiv.org/pdf/2602.14882 https://arxiv.org/html/2602.14882
Kabir Chakravarti, Federico R. Urban: The impact of the formation channel on gravitational-wave-galaxy cross-correlations https://arxiv.org/abs/2602.14825 https://arxiv.org/pdf/2602.14825 https://arxiv.org/html/2602.14825
February 17, 2026 at 6:41 AM
Kabir Chakravarti, Federico R. Urban: The impact of the formation channel on gravitational-wave-galaxy cross-correlations https://arxiv.org/abs/2602.14825 https://arxiv.org/pdf/2602.14825 https://arxiv.org/html/2602.14825
Saboura Zamani, Vincenzo Salzano, Dario Bettoni: Exploring Non-minimal coupling using ultra-diffuse galaxies https://arxiv.org/abs/2602.14747 https://arxiv.org/pdf/2602.14747 https://arxiv.org/html/2602.14747
February 17, 2026 at 6:41 AM
Saboura Zamani, Vincenzo Salzano, Dario Bettoni: Exploring Non-minimal coupling using ultra-diffuse galaxies https://arxiv.org/abs/2602.14747 https://arxiv.org/pdf/2602.14747 https://arxiv.org/html/2602.14747
Leander Thiele: Bayesian Cosmic Void Finding with Graph Flows https://arxiv.org/abs/2602.14630 https://arxiv.org/pdf/2602.14630 https://arxiv.org/html/2602.14630
February 17, 2026 at 6:41 AM
Leander Thiele: Bayesian Cosmic Void Finding with Graph Flows https://arxiv.org/abs/2602.14630 https://arxiv.org/pdf/2602.14630 https://arxiv.org/html/2602.14630
Reyhan D. Lambaga, Vipin Sudevan, Pisin Chen: Multiscale feature integration network for inpainting of full-sky CMB $B$-modes https://arxiv.org/abs/2602.14547 https://arxiv.org/pdf/2602.14547 https://arxiv.org/html/2602.14547
February 17, 2026 at 6:41 AM
Reyhan D. Lambaga, Vipin Sudevan, Pisin Chen: Multiscale feature integration network for inpainting of full-sky CMB $B$-modes https://arxiv.org/abs/2602.14547 https://arxiv.org/pdf/2602.14547 https://arxiv.org/html/2602.14547
Aseem Paranjape (IUCAA), Ravi K. Sheth (UPenn/ICTP): Zel'dovich smearing approximation of the BAO feature for model-agnostic cosmological inference https://arxiv.org/abs/2602.14533 https://arxiv.org/pdf/2602.14533 https://arxiv.org/html/2602.14533
February 17, 2026 at 6:41 AM
Aseem Paranjape (IUCAA), Ravi K. Sheth (UPenn/ICTP): Zel'dovich smearing approximation of the BAO feature for model-agnostic cosmological inference https://arxiv.org/abs/2602.14533 https://arxiv.org/pdf/2602.14533 https://arxiv.org/html/2602.14533
Shun Yoshioka, Kiyotomo Ichiki, Yuichiro Tada, Takahiro Terada: Quintessence with tachyonic resonance and late-time cosmic-microwave-background and gravitational-wave signals https://arxiv.org/abs/2602.14389 https://arxiv.org/pdf/2602.14389 https://arxiv.org/html/2602.14389
February 17, 2026 at 6:41 AM
Shun Yoshioka, Kiyotomo Ichiki, Yuichiro Tada, Takahiro Terada: Quintessence with tachyonic resonance and late-time cosmic-microwave-background and gravitational-wave signals https://arxiv.org/abs/2602.14389 https://arxiv.org/pdf/2602.14389 https://arxiv.org/html/2602.14389
Jinzheng Li, Pran Nath: Gravitational waves from supercooled phase transitions and pulsar timing array signals https://arxiv.org/abs/2602.14324 https://arxiv.org/pdf/2602.14324 https://arxiv.org/html/2602.14324
February 17, 2026 at 6:41 AM
Jinzheng Li, Pran Nath: Gravitational waves from supercooled phase transitions and pulsar timing array signals https://arxiv.org/abs/2602.14324 https://arxiv.org/pdf/2602.14324 https://arxiv.org/html/2602.14324
Joseph F. V. Allingham, et al.: VENUS: Strong-lensing model of MACS J1931.8-2635 -- revealing the farthest multiply imaged supernova https://arxiv.org/abs/2602.14074 https://arxiv.org/pdf/2602.14074 https://arxiv.org/html/2602.14074
February 17, 2026 at 6:41 AM
Joseph F. V. Allingham, et al.: VENUS: Strong-lensing model of MACS J1931.8-2635 -- revealing the farthest multiply imaged supernova https://arxiv.org/abs/2602.14074 https://arxiv.org/pdf/2602.14074 https://arxiv.org/html/2602.14074
Bhuwan Joshi, Rahul Kothari, Shyam Chaudhary: Constraining Lorentz Violation using 21cm and CMB Cross Correlations https://arxiv.org/abs/2602.14052 https://arxiv.org/pdf/2602.14052 https://arxiv.org/html/2602.14052
February 17, 2026 at 6:41 AM
Bhuwan Joshi, Rahul Kothari, Shyam Chaudhary: Constraining Lorentz Violation using 21cm and CMB Cross Correlations https://arxiv.org/abs/2602.14052 https://arxiv.org/pdf/2602.14052 https://arxiv.org/html/2602.14052
Marina Cort\^es, Ofer Lahav, Andrew R Liddle: The Cosmological Parameters (2025) https://arxiv.org/abs/2602.13523 https://arxiv.org/pdf/2602.13523 https://arxiv.org/html/2602.13523
February 17, 2026 at 6:41 AM
Marina Cort\^es, Ofer Lahav, Andrew R Liddle: The Cosmological Parameters (2025) https://arxiv.org/abs/2602.13523 https://arxiv.org/pdf/2602.13523 https://arxiv.org/html/2602.13523
Sudipta Sikder, Rajesh Mondal, Rennan Barkana, Anastasia Fialkov: The Signature of Strong High-Redshift Radio Backgrounds on the Cosmic Dawn 21-cm Bispectrum https://arxiv.org/abs/2602.13445 https://arxiv.org/pdf/2602.13445 https://arxiv.org/html/2602.13445
February 17, 2026 at 6:41 AM
Sudipta Sikder, Rajesh Mondal, Rennan Barkana, Anastasia Fialkov: The Signature of Strong High-Redshift Radio Backgrounds on the Cosmic Dawn 21-cm Bispectrum https://arxiv.org/abs/2602.13445 https://arxiv.org/pdf/2602.13445 https://arxiv.org/html/2602.13445
Duncan K. Adams, Jared Barron, Bryce Cyr, Xiuyuan Zhang: CMB Spectral Distortions from Resonant Conversions in Atomic Dark Sectors https://arxiv.org/abs/2602.13384 https://arxiv.org/pdf/2602.13384 https://arxiv.org/html/2602.13384
February 17, 2026 at 6:41 AM
Duncan K. Adams, Jared Barron, Bryce Cyr, Xiuyuan Zhang: CMB Spectral Distortions from Resonant Conversions in Atomic Dark Sectors https://arxiv.org/abs/2602.13384 https://arxiv.org/pdf/2602.13384 https://arxiv.org/html/2602.13384
[2026-02-17 Tue (UTC), 16 new articles found for astro-phCO Cosmology and Nongalactic Astrophysics]
February 17, 2026 at 6:41 AM
[2026-02-17 Tue (UTC), 16 new articles found for astro-phCO Cosmology and Nongalactic Astrophysics]
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Debtosh Chowdhury, Md Sariful Islam: Addressing the Hubble tension with Sterile Neutrino Dark Matter https://arxiv.org/abs/2602.13189 https://arxiv.org/pdf/2602.13189 https://arxiv.org/html/2602.13189
February 16, 2026 at 6:44 AM
Debtosh Chowdhury, Md Sariful Islam: Addressing the Hubble tension with Sterile Neutrino Dark Matter https://arxiv.org/abs/2602.13189 https://arxiv.org/pdf/2602.13189 https://arxiv.org/html/2602.13189
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
A. Townsend, et al.: Photometric classification of supernovae detected by the Zwicky Transient Facility using noise augmentation https://arxiv.org/abs/2602.13036 https://arxiv.org/pdf/2602.13036 https://arxiv.org/html/2602.13036
February 16, 2026 at 6:42 AM
A. Townsend, et al.: Photometric classification of supernovae detected by the Zwicky Transient Facility using noise augmentation https://arxiv.org/abs/2602.13036 https://arxiv.org/pdf/2602.13036 https://arxiv.org/html/2602.13036
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Pieter Braat, Jordy de Vries, Jelle Groot, Julian Y. G\"unther, Juraj Klari\'c: Big Bang Nucleosynthesis and the Neutrino-Extended Standard Model Effective Field Theory https://arxiv.org/abs/2602.12745 https://arxiv.org/pdf/2602.12745 https://arxiv.org/html/2602.12745
February 16, 2026 at 6:44 AM
Pieter Braat, Jordy de Vries, Jelle Groot, Julian Y. G\"unther, Juraj Klari\'c: Big Bang Nucleosynthesis and the Neutrino-Extended Standard Model Effective Field Theory https://arxiv.org/abs/2602.12745 https://arxiv.org/pdf/2602.12745 https://arxiv.org/html/2602.12745
Reposted by arXiv astro-ph.CO Cosmology and Nongalactic Astrophysics
Smith, et al.: Murriyang cryogenic phased array feed: spectral-line results and noise-reduction methods https://arxiv.org/abs/2602.12677 https://arxiv.org/pdf/2602.12677 https://arxiv.org/html/2602.12677
February 16, 2026 at 6:42 AM
Smith, et al.: Murriyang cryogenic phased array feed: spectral-line results and noise-reduction methods https://arxiv.org/abs/2602.12677 https://arxiv.org/pdf/2602.12677 https://arxiv.org/html/2602.12677