Entanglement and Quantum Discord of Two Moving Atoms

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DOI: 10.4236/am.2014.516240    4,425 Downloads   5,638 Views  Citations
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ABSTRACT

In this paper we discuss two measures for the quantumness of correlations (quantum discord and entanglement) of two isolated moving atoms which are initially in Werner state. We compare and analyze the effect of the atomic motion in quantum discord and entanglement. The results show that the atomic motion related to the field mode structure parameter can make the entanglement and quantum discord evolve periodically. The results also indicate that the entanglement suddenly disappears during the evaluation but quantum discord remains non zero, so quantum discord is considered as indicator of disentanglement.


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Zidan, N. (2014) Entanglement and Quantum Discord of Two Moving Atoms. Applied Mathematics, 5, 2485-2492. doi: 10.4236/am.2014.516240.

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