Quantum Discord Dynamics of Two Atoms Interacting with Two Quantized Field Modes through a Raman Interaction with Phase Decoherence

钱懿; 许晶波

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Quantum Discord Dynamics of Two Atoms Interacting with Two Quantized Field Modes through a Raman Interaction with Phase Decoherence

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摘要

We investigate the quantum discord dynamics of two effective two-level atoms independently interacting with two quantized field modes through a Raman interaction in the presence of phase decoherence.The influence of the phase decoherence and detuning on the evolution of the quantum discord and entanglement between two atoms is discussed.It is found that the quantum discord is more robust than the entanglement under the phase decoherence,and the amount of discord and entanglement between two atoms can be increased by adjusting the detuning.

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《中国物理快报：英文版》 |2011年第7期|35-38|共4页
作者
钱懿; 许晶波;
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作者单位

Zhejiang Institute of Modern Physics and Department of Physics;

Zhejiang University;

Hangzhou 310027;

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原文格式 PDF
正文语种 chi
中图分类理论物理学;
关键词
quantum; independently; phase;

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Quantum Discord Dynamics of Two Atoms Interacting with Two Quantized Field Modes through a Raman Interaction with Phase Decoherence

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