Geometric measure of quantum correlation: The influence of the asymmetry environments

Qinsheng Zhu, Changchun Ding, Shaoyi Wu and Wei Lai

Physica A: Statistical Mechanics and its Applications, 2016, vol. 458, issue C, 67-75

Abstract: The quantum correlation in open quantum systems is of fundamental and practical importance for quantum information processing and controllable nanometer devices. And the properties of quantum correlation can be influenced by the information flow between systems and environments. In this study, we investigated the geometric measure discord of quantum correlation of a two qubits system, interacting with two independent and intrinsic interacting spin-environments, respectively. Based on the asymmetry environments with comparable parameters, the different properties of the geometric measure of entanglement and quantum discord are displayed and discussed for initial Bell states.

Keywords: Quantum discord; Entanglement; Non-Markovian process (search for similar items in EconPapers)
Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:458:y:2016:i:c:p:67-75

DOI: 10.1016/j.physa.2016.04.004

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