Scheme for Quantum Entanglement Swapping on Cavity QED System

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作者
CHEN ChangYong YU Yan Department of Physics and Information EngineeringHunan Institute of HumanitiesScienceand TechnologyLoudi China State Key Laboratory of Magnetic Resonance and Atomic and Molecular PhysicsWuhan Institute of Physics and Mathmaticsthe Chinese Academy of SciencesWuhan China Graduate School of the Chinese Academy of SciencesBeijing China College of Physics and Information ScienceCentral South University of TechnologyChangsha China [1 ,417000 ,2 ,430071 ,3 ,100049 ,4 ,410083 ]
机构
关键词
:entanglement swapping; cavity QED system; Bell-state measurement;
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中图分类号
O413 [量子论];
学科分类号
070201 ;
摘要
<正> Abstract We propose a scheme for realizing quantum entanglement swapping between the atoms in cavity QED.With only virtual excitation of the cavity during the interaction between the atoms and cavity,the scheme is insensitiveto the cavity mode states and the cavity decay.The ideas can also be utilized for realizing entanglement swappingbetween the atomic levels in a single atom and the atomic levels in the Bell states and between the atomic levels in theBell states and the atomic levels in the W states.
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页码:1023 / 1025
页数:3
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