Gravitational Wave Effects on Radio Spectral Lines of Atomic Hydrogen: Hyperfine Splitting and Broadening Mechanisms

arXiv:2503.13118 · gr-qc, astro-ph.HE, quant-ph · Submitted 2025-03-17 · Read on arXiv

gr-qc, astro-ph.HE, quant-ph

Submitted: 2025-03-17

Updated: 2026-08-26

Journal ref: Phys. Rev. D 112, 044061, 2025

DOI: 10.1103/9qjr-tfgp

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Degeneracy — 4× in this paper · explained in 3 episodes
• National Astronomical Research Institute of Thailand — 2× in this paper
• Quantization — 2× in this paper · explained in 12 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Primordial Black Holes (PBHs) — 1× in this paper · explained in 7 episodes
• Square Kilometre Array — 1× in this paper
• alpha — 1× in this paper · explained in 1 episode
• pulsar timing arrays — 1× in this paper · explained in 2 episodes

Sources

• Challenges and Opportunities of Gravitational Wave Searches above 10 kHz
• Primordial black holes and their gravitational-wave signatures
• Search for high-frequency gravitational waves with Rydberg atoms

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