Entanglement between the future and the past in the quantum vacuum

Olson, S. Jay and Ralph, Timothy C. (2011) Entanglement between the future and the past in the quantum vacuum. Physical Review Letters, 106 11: 110404.1-110404.4. doi:10.1103/PhysRevLett.106.110404

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Author Olson, S. Jay
Ralph, Timothy C.
Title Entanglement between the future and the past in the quantum vacuum
Journal name Physical Review Letters   Check publisher's open access policy
ISSN 0031-9007
Publication date 2011-03
Year available 2011
Sub-type Article (original research)
DOI 10.1103/PhysRevLett.106.110404
Open Access Status File (Publisher version)
Volume 106
Issue 11
Start page 110404.1
End page 110404.4
Total pages 4
Place of publication College Park, MD United States
Publisher American Physical Society
Collection year 2012
Language eng
Formatted abstract
We note that massless fields within the future and past light cone may be quantized as independent systems. The vacuum is shown to be a nonseparable state of these systems, exactly mirroring the known entanglement between the spacelike separated Rindler wedges. This leads to a notion of timelike entanglement. We describe an inertial detector which exhibits a thermal response to the vacuum when switched on at t=0, due to this property. The feasibility of detecting this effect is discussed, with natural experimental parameters appearing at the scale of 100 GHz.
Keyword Time
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status UQ

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Mathematics and Physics
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Citation counts: TR Web of Science Citation Count  Cited 34 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 33 times in Scopus Article | Citations
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Created: Thu, 21 Mar 2013, 08:08:53 EST by Timothy Ralph on behalf of School of Mathematics & Physics