Entanglement redistribution in the Schwarzschild spacetime

Details Entanglement redistribution in the Schwarzschild spacetime Entanglement redistribution in the Schwarzschild spacetime

2010-07-20

arxiv.org/abs/1007.3331v1

Phys. Lett. B 692, (2010) 202

Physics

Quantum Physics

11 pages, 3 figures; Submit to PLB on Aug 29, 2009

Scientific paper

The effect of Hawking radiation on the redistribution of the entanglement and mutual information in the Schwarzschild spacetime is investigated. Our analysis shows that the physically accessible correlations degrade while the unaccessible correlations increase as the Hawking temperature increases because the initial correlations described by inertial observers are redistributed between all the bipartite modes. It is interesting to note that, in the limit case that the temperature tends to infinity, the accessible mutual information equals to just half of its initial value, and the unaccessible mutual information between mode $A$ and $II$ also equals to the same value.

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