Decorrelating Capabilities and Measurement-Induced Correlations of Unruh Effect in Dirac Field
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Nan Li. Decorrelating Capabilities and Measurement-Induced Correlations of Unruh Effect in Dirac Field. International Journal of Software and Informatics, 2014,8(3-4):277~288
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Fund:This work is sponsored by the National Natural Science Foundation of China (Grants No. 11375259, No. 11405262 and No. 61134008), the National Center for Mathematics and Interdisciplinary Sciences, Chinese Academy of Sciences (Grant No. Y029152K51), and Key Laboratory of Random Complex Structures and Data Science, CAS (Grant No. 2008DP173182).
Abstract:We revisit the issue of information transfer induced by Unruh effect in a free Dirac field, where one of the observers (Rob) is uniformly accelerated with respect to his partner (Alice), each holding a mode of a free Dirac field in Minkowski spacetime. We first introduce the information loss induced by Unruh effect when the initial states between the two modes shared by Alice and Rob are any Bell-diagonal states, and give their analytic expressions. Then from the decorrelating capabilities and measurement-induced correlations perspectives, we reinterpret the changes of correlations induced by Unruh effect in Dirac field, which may shed new light on the understanding of Unruh effect from the information theory viewpoint.
keywords:Unruh e?ect  decorrelating capabilities  measurement-induced correlations  quantum discord  quantum mutual information  entanglement of formation
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