Residual entanglement of accelerated fermions is not nonlocal

Details Residual entanglement of accelerated fermions is not nonlocal Residual entanglement of accelerated fermions is not nonlocal

2011-07-16

arxiv.org/abs/1107.3235v2

Phys. Rev. A 84, 062111 (2011)

Physics

Quantum Physics

5 pages, 3 figures; v2: minor changes, reference and section headers added

Scientific paper

10.1103/PhysRevA.84.062111

We analyze the operational meaning of the residual entanglement in non-inertial fermionic systems in terms of the achievable violation of the Clauser-Horne-Shimony-Holt (CHSH) inequality. We demonstrate that the quantum correlations of fermions, which were previously found to survive in the infinite acceleration limit, cannot be considered to be non-local. The entanglement shared by an inertial and an accelerated observer cannot be utilized for the violation of the CHSH inequality in case of high accelerations. Our results are shown to extend beyond the single mode approximation commonly used in the literature.

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