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arxiv: 2203.08228 · v2 · pith:4EEY4D6Jnew · submitted 2022-03-15 · 🌀 gr-qc · astro-ph.IM· hep-ex· hep-th

Snowmass2021 Cosmic Frontier White Paper: Future Gravitational-Wave Detector Facilities

Stefan W. Ballmer , Rana Adhikari , Leonardo Badurina , Duncan A. Brown , Swapan Chattopadhyay , Matthew Evans , Peter Fritschel , Evan Hall
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Jason M. Hogan Karan Jani Tim Kovachy Kevin Kuns Ariel Schwartzman Daniel Sigg Bram Slagmolen Salvatore Vitale Christopher Wipf
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classification 🌀 gr-qc astro-ph.IMhep-exhep-th
keywords gravitational-wavecosmicdetectoruniversefuturehistoryinteractionmatter
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The next generation of gravitational-wave observatories can explore a wide range of fundamental physics phenomena throughout the history of the universe. These phenomena include access to the universe's binary black hole population throughout cosmic time, to the universe's expansion history independent of the cosmic distance ladders, to stochastic gravitational-waves from early-universe phase transitions, to warped space-time in the strong-field and high-velocity limit, to the equation of state of nuclear matter at neutron star and post-merger densities, and to dark matter candidates through their interaction in extreme astrophysical environments or their interaction with the detector itself. We present the gravitational-wave detector concepts than can drive the future of gravitational-wave astrophysics. We summarize the status of the necessary technology, and the research needed to be able to build these observatories in the 2030s.

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