Fermionic entanglement ambiguity in non-inertial frames

Details Fermionic entanglement ambiguity in non-inertial frames Fermionic entanglement ambiguity in non-inertial frames

2011-04-12

arxiv.org/abs/1104.2307v2

Phys.Rev.A83:062323,2011

Physics

Quantum Physics

9 pages, 4 figures. Revtex 4.1, added Journal reference

Scientific paper

10.1103/PhysRevA.83.062323

We analyse an ambiguity in previous works on entanglement of fermionic fields in non-inertial frames. This ambiguity, related to the anticommutation properties of field operators, leads to non-unique 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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