Quantum Entanglement and Teleportation in Higher Dimensional Black Hole Spacetimes

Details Quantum Entanglement and Teleportation in Higher Dimensional Black Hole Spacetimes Quantum Entanglement and Teleportation in Higher Dimensional Black Hole Spacetimes

2007-07-31

arxiv.org/abs/0707.4523v3

Class.Quant.Grav.25:075011,2008

Physics

Quantum Physics

15 pages, 10 figures,contents expanded

Scientific paper

10.1088/0264-9381/25/7/075011

We study the properties of quantum entanglement and teleportation in the background of stationary and rotating curved space-times with extra dimensions. We show that a maximally entangled Bell state in an inertial frame becomes less entangled in curved space due to the well-known Hawking-Unruh effect. The degree of entanglement is found to be degraded with increasing the extra dimensions. For a finite black hole surface gravity, the observer may choose higher frequency mode to keep high level entanglement. The fidelity of quantum teleporation is also reduced because of the Hawking-Unruh effect. We discuss the fidelity as a function of extra dimensions, mode frequency, black hole mass and black hole angular momentum parameter for both bosonic and fermionic resources.

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