Residual entanglement of accelerated fermions is not nonlocal

Author(s)
N. Friis, Philipp Köhler, Eduardo Martin-Martinez, Reinhold Bertlmann
Abstract

We analyze the operational meaning of the residual entanglement in noninertial 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 nonlocal. 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.

Organisation(s)
Particle Physics
External organisation(s)
University of Nottingham, Spanish National Research Council (CSIC)
Journal
Physical Review A
Volume
84
No. of pages
5
ISSN
1050-2947
DOI
https://doi.org/10.1103/PhysRevA.84.062111
Publication date
2011
Peer reviewed
Yes
Austrian Fields of Science 2012
103034 Particle physics
Portal url
https://ucrisportal.univie.ac.at/en/publications/residual-entanglement-of-accelerated-fermions-is-not-nonlocal(d1400405-e1dc-43e3-bd2a-6abf68bc08b8).html