期刊
NEW JOURNAL OF PHYSICS
卷 21, 期 6, 页码 -出版社
IOP Publishing Ltd
DOI: 10.1088/1367-2630/ab22d0
关键词
atom interferometry; gravitational wave detection; inertial sensors; quantum gases; space physics; general relativity
资金
- DFG [CRC 1227]
- German Space Agency (DLR)
- Federal Ministry of Economic Affairs and Energy (BMWi) [50WM1641, 50WM1952, 50WM1435, 50WP1700]
- 'Niedersachsisches Vorab' through the 'Quantum-and Nano-Metrology' (QUANOMET) initiative
- Forderung von Wisenschaft und Technik in Forschung und Lehre
- COST action [CA16221]
- European Union [691156]
- Federal Ministry of Education and Research (BMBF) through the funding program Photonics Research Germany [13N14875]
- Leibniz Universitat Hannover
- [CRC 1128]
- Marie Curie Actions (MSCA) [691156] Funding Source: Marie Curie Actions (MSCA)
Recent proposals for space-borne gravitational wave detectors based on atom interferometry rely on extremely narrow single-photon transition lines as featured by alkaline-earth metals or atomic species with similar electronic configuration. Despite their similarity, these species differ in key parameters such as abundance of isotopes, atomic flux, density and temperature regimes, achievable expansion rates, density limitations set by interactions, as well as technological and operational requirements. In this study, we compare viable candidates for gravitational wave detection with atom interferometry, contrast the most promising atomic species, identify the relevant technological milestones and investigate potential source concepts towards a future gravitational wave detector in space.
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