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Matter-wave coherence limit owing to cosmic gravitational wave background

Abstract:

We study matter-wave interferometry in the presence of a stochastic background of gravitational waves. It is shown that if the background has a scale-invariant spectrum over a wide bandwidth (which is expected in a class of inflationary models of Big Bang cosmology), then separated-path interference cannot be observed for a lump of matter of size above a limit which is very insensitive to the strength and bandwidth of the fluctuations, unless the interferometer is servo-controlled or otherwis...

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Publication status:
Published
Peer review status:
Peer reviewed

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Atomic & Laser Physics
Oxford college:
Exeter College
Role:
Author

Contributors

Publisher:
Elsevier Publisher's website
Journal:
Physics Letters A Journal website
Volume:
381
Issue:
47
Pages:
3905-3908
Publication date:
2017-10-30
Acceptance date:
2017-08-20
DOI:
EISSN:
1873-2429
ISSN:
0375-9601
Pubs id:
pubs:744668
URN:
uri:8b4022eb-dba3-44da-b5a0-96101ba8e593
UUID:
uuid:8b4022eb-dba3-44da-b5a0-96101ba8e593
Local pid:
pubs:744668

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