Generation of an Entangled State of Two Multilevel Atoms in Cavity QED

Chin. Phys. Lett.

2004, Vol. 21

Issue (5): 846-848 DOI:

Original Articles

Generation of an Entangled State of Two Multilevel Atoms in Cavity QED

ZHAN Zhi-Ming¹;YANG Wen-Xing^2,3;LI Jia-Hua³

¹State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074 ²Centre for Cold Atom Physics, Chinese Academy of Sciences, Wuhan 430071 ³Department of Physics, Huazhong University of Science and Technology, Wuhan 430074

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ZHAN Zhi-Ming, YANG Wen-Xing, LI Jia-Hua 2004 Chin. Phys. Lett. 21 846-848

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Abstract We present a simple scheme to generate a maximally entangled state of two four-level Rydberg atoms with a nonresonant cavity by cavity-assisted collisions. By using this scheme, the maximally entangled state of two N-level (N > 4) Rydberg atoms can also be obtained. During the passage of the atoms through the cavity field, they are only virtually excited. There is no quantum information that will be transferred from the atoms to the cavity in this case.

Keywords: 42.50.Dv 42.50.Vk 03.65.Ud

Published: 01 May 2004

PACS:	42.50.Dv	(Quantum state engineering and measurements)
	42.50.Vk
	03.65.Ud	(Entanglement and quantum nonlocality)

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y2004/V21/I5/0846

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