General Relativity and Quantum Cosmology
[Submitted on 5 Aug 2021 (v1), last revised 28 Dec 2021 (this version, v2)]
Title:Prospective Sensitivities of Atom Interferometers to Gravitational Waves and Ultralight Dark Matter
View PDFAbstract:We survey the prospective sensitivities of terrestrial and space-borne atom interferometers (AIs) to gravitational waves (GWs) generated by cosmological and astrophysical sources, and to ultralight dark matter. We discuss the backgrounds from gravitational gradient noise (GGN) in terrestrial detectors, and also binary pulsar and asteroid backgrounds in space-borne detectors. We compare the sensitivities of LIGO and LISA with those of the 100m and 1km stages of the AION terrestrial AI project, as well as two options for the proposed AEDGE AI space mission with cold atom clouds either inside or outside the spacecraft, considering as possible sources the mergers of black holes and neutron stars, supernovae, phase transitions in the early Universe, cosmic strings and quantum fluctuations in the early Universe that could have generated primordial black holes. We also review the capabilities of AION and AEDGE for detecting coherent waves of ultralight scalar dark matter.
Submission history
From: Oliver Buchmueller [view email][v1] Thu, 5 Aug 2021 09:16:43 UTC (5,454 KB)
[v2] Tue, 28 Dec 2021 10:44:26 UTC (11,523 KB)
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