Continuous-Variable Entanglement Transfer from Cavity Field to Two Mesoscopic Josephson Junctions

CHANG Ping; SHAO Bin; WANG Zhao-Ming; ZOU Jian

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Continuous-Variable Entanglement Transfer from Cavity Field to Two Mesoscopic Josephson Junctions

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@@ We consider a composite system of two remote mesoscopic Josephson junctions interacting locally with a two-mode non-classical cavity field and investigate entanglement transfer from a bipartite continuous-variable (CV) system to a pair of localized mesoscopic Josephson junctions.We obtain analytically the time-dependent characteristic functions in the Wigner representation for the two CV subsystems,where two cases are considered for the zero and finite temperatures.Furthermore,we analyse the influences of the temperature on the period recovery of the entanglement.

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《中国物理快报：英文版》 |2008年第3期|1098-1101|共4页
作者
CHANG Ping; SHAO Bin; WANG Zhao-Ming; ZOU Jian;
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Department of Physics,Beijing Institute of Technology,Beijing 100081;

Department of Physics,Beijing Institute of Technology,Beijing 100081;

Department of Physics,Beijing Institute of Technology,Beijing 100081;

Department of Physics,Beijing Institute of Technology,Beijing 100081;

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中图分类物理学;
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Continuous-Variable Entanglement Transfer from Cavity Field to Two Mesoscopic Josephson Junctions

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