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Entanglement Swapping and Disentanglement via an Entangled State of Atoms Interacting with a Cavity Field |
LIU Tang-Kun1,2;WANG Ji-Suo2,3;FENG Jian2,4;ZHAN Ming-Sheng2 |
1Department of Physics, Hubei Normal University, Huangshi 435002
2State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071
3Department of Physics, Liaocheng University, Liaocheng 252059
4Institute of Optical Communication, Liaocheng University, Liaocheng 252059 |
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Cite this article: |
LIU Tang-Kun, WANG Ji-Suo, FENG Jian et al 2002 Chin. Phys. Lett. 19 1573-1575 |
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Abstract We consider entanglement swapping and disentanglement schemes via an entangled state of three two-level atoms interacting with a coherent field. When a two-level atom C, entangled with other two two-level atoms A and B, is injected into a high-Q cavity and atoms A and B are far away from the cavity, the entanglement swapping or disentanglement can be realized by carrying out the measurement on the atom C and by selecting appropriate interaction time of atom C with the coherent field.
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Keywords:
03.65.Bz
32.80.-t
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Published: 01 November 2002
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