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Article Abstract
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.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9712380 | PMC |
| http://dx.doi.org/10.1007/s10714-022-03027-x | DOI Listing |
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