Degenerate detectors are unable to harvest spacelike entanglement

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Degenerate detectors are unable to harvest spacelike entanglement

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 str...

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Bibliographic Details
Main Authors:	Pozas-Kerstjens, Alejandro, Louko, Jorma, Martín-Martínez, Eduardo
Format:	Article
Published:	American Physical Society 2017
Online Access:	https://eprints.nottingham.ac.uk/43838/

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