Detection of early-universe gravitational-wave signatures and fundamental physics

Detection of a gravitational-wave signal of non-astrophysical origin would be a landmark discovery, potentially providing a significant clue to some of our most basic, big-picture scientific questions about the Universe. In this white paper, we survey the leading early-Universe mechanisms that may p...

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Published in:General relativity and gravitation 2022, Vol.54 (12), p.156, Article 156
Main Authors: Caldwell, Robert, Cui, Yanou, Guo, Huai-Ke, Mandic, Vuk, Mariotti, Alberto, No, Jose Miguel, Ramsey-Musolf, Michael J., Sakellariadou, Mairi, Sinha, Kuver, Wang, Lian-Tao, White, Graham, Zhao, Yue, An, Haipeng, Bian, Ligong, Caprini, Chiara, Clesse, Sebastien, Cline, James M., Cusin, Giulia, Fornal, Bartosz, Jinno, Ryusuke, Laurent, Benoit, Levi, Noam, Lyu, Kun-Feng, Martinez, Mario, Miller, Andrew L., Redigolo, Diego, Scarlata, Claudia, Sevrin, Alexander, Haghi, Barmak Shams Es, Shu, Jing, Siemens, Xavier, Steer, Danièle A., Sundrum, Raman, Tamarit, Carlos, Weir, David J., Xie, Ke-Pan, Yang, Feng-Wei, Zhou, Siyi
Format: Article
Language:English
Subjects:
Astronomy
Astronomy & Astrophysics
Astrophysics and Cosmology
Black holes
Classical and Quantum Gravitation
Collider and gravitational wave complementarity
Dark matter
Differential Geometry
Gravitational wave and EM correlation
Gravitational waves
Gravity
Inflation
Large scale structure of the universe
Mathematical and Computational Physics
Phase transitions
Physics
Physics and Astronomy
Primordial gravitational waves
Quantum Physics
Relativity Theory
Theoretical
Topological defects
Universe
White Paper
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Summary:Detection of a gravitational-wave signal of non-astrophysical origin would be a landmark discovery, potentially providing a significant clue to some of our most basic, big-picture scientific questions about the Universe. In this white paper, we survey the leading early-Universe mechanisms that may produce a detectable signal—including inflation, phase transitions, topological defects, as well as primordial black holes—and highlight the connections to fundamental physics. We review the complementarity with collider searches for new physics, and multimessenger probes of the large-scale structure of the Universe.
ISSN:0001-7701
1572-9532
DOI:10.1007/s10714-022-03027-x