期刊
PHYSICAL REVIEW A
卷 83, 期 6, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.83.062323
关键词
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资金
- CSIC [JAE-PREDOC2007]
- Spanish MICINN [FIS2008-05705/FIS]
- QUITEMAD consortium
We analyze an ambiguity in previous works on entanglement of fermionic fields in noninertial frames. This ambiguity, related to the anticommutation properties of field operators, leads to nonunique results when computing entanglement measures for the same state. We show that the ambiguity disappears when we introduce detectors, which are in any case necessary as a means to probe the field entanglement.
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