Residual entanglement of accelerated fermions is not nonlocal

Abstract

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.

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

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• The Unruh effect and its applications
• Entanglement of Dirac fields in non-inertial frames
• Quantum Entanglement of Moving Bodies
• Redistribution of particle and anti-particle entanglement in non-inertial frames
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