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Quantum Information Processing

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01-09-2017

Dynamics of quantum correlation and coherence in de Sitter universe

Author: Zhiming Huang

Published in: Quantum Information Processing | Issue 9/2017

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Abstract

In this article, we investigate the dynamics of quantum correlation and coherence for two atoms interacting with massless scalar field in the background de Sitter spacetime. We firstly analyze the solving process of master equation that describes the system evolution with initial Werner state. Then, we discuss the degradation, generation, revival and enhancement of quantum correlation and coherence for three cases of different initial states: zero correlation state, nonzero correlation separable state and maximally entangled state.

previous article Non-Markovian dynamics of quantum coherence of two-level system driven by classical field

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Title: Dynamics of quantum correlation and coherence in de Sitter universe
Author: Zhiming Huang
Publication date: 01-09-2017
Publisher: Springer US
Published in: Quantum Information Processing / Issue 9/2017
Print ISSN: 1570-0755
Electronic ISSN: 1573-1332
DOI: https://doi.org/10.1007/s11128-017-1659-y

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