The EPR correlation in Kerr-Newman spacetime

Abstract

The EPR correlation has become an integral part of quantum communications as has general relativity in classical communication theory, however when combined an apparent deterioration is observed for spin states. We consider appropriate changes in directions of measurement to exploit full EPR entanglement for a pair of particles and show that it can be deduced only up to the outer even horizon of a Kerr-Newman black hole, even in the case of freely falling observer.

8 pages, 3 figures

References in corpus (1)

• Spherically symmetric solutions of Einstein + non-polynomial gravities

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