Alejandro Pozas-Kerstjens
Degenerate detectors are unable to harvest spacelike entanglement
Pozas-Kerstjens, Alejandro; Louko, Jorma; Mart�n-Mart�nez, Eduardo
Authors
Abstract
We show, under a very general set of assumptions, that pairs of identical particle detectors in spacelike separation, such as atomic probes, can only harvest entanglement from the vacuum state of a quantum field when they have a nonzero energy gap. Furthermore, we show that degenerate probes are strongly challenged to become entangled through their interaction through scalar and electromagnetic fields even in full light contact. We relate these results to previous literature on remote entanglement generation and entanglement harvesting, giving insight into the energy gap’s protective role against local noise, which prevents the detectors from getting entangled through the interaction with the field.
Citation
Pozas-Kerstjens, A., Louko, J., & Martín-Martínez, E. (2017). Degenerate detectors are unable to harvest spacelike entanglement. Physical Review D, 95(10), https://doi.org/10.1103/PhysRevD.95.105009
Journal Article Type | Article |
---|---|
Acceptance Date | Apr 19, 2017 |
Publication Date | May 30, 2017 |
Deposit Date | Jun 28, 2017 |
Publicly Available Date | Jun 28, 2017 |
Journal | Physical Review D |
Print ISSN | 2470-0010 |
Electronic ISSN | 2470-0029 |
Publisher | American Physical Society |
Peer Reviewed | Peer Reviewed |
Volume | 95 |
Issue | 10 |
DOI | https://doi.org/10.1103/PhysRevD.95.105009 |
Public URL | https://nottingham-repository.worktribe.com/output/862528 |
Publisher URL | https://doi.org/10.1103/PhysRevD.95.105009 |
Contract Date | Jun 28, 2017 |
Files
PhysRevD.95.105009.pdf
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Copyright Statement
Copyright information regarding this work can be found at the following address: http://eprints.nottingham.ac.uk/end_user_agreement.pdf
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