An Effective Entanglement among Three Fibre-Connected Distant Atoms
GUO Yan-Qing, CHEN Jing, SONG He-Shan
Department of Physics, Dalian University of Technology, Dalian 116023
An Effective Entanglement among Three Fibre-Connected Distant Atoms
GUO Yan-Qing;CHEN Jing;SONG He-Shan
Department of Physics, Dalian University of Technology, Dalian 116023
关键词 ：
03.67.Mn ,
42.50.Pq
Abstract ： Under the enlightenment of the scheme of Mancini and Bose [Phys. Rev. A 70(2004)022307), we discuss two-atom entanglement in a fibre-connected triple-distant-atom system. Under adiabatic approximation, we obtain an effective Hamiltonian in form of the triple-body Ising-model interaction. The existence of a third atom is found to damage the other two-atom entanglement. The nearest-neighbouring two atoms that share a larger Ising strength are more strongly entangled.
Key words ：
03.67.Mn
42.50.Pq
出版日期: 2006-05-01
:
03.67.Mn
(Entanglement measures, witnesses, and other characterizations)
42.50.Pq
(Cavity quantum electrodynamics; micromasers)
引用本文:
GUO Yan-Qing;CHEN Jing;SONG He-Shan. An Effective Entanglement among Three Fibre-Connected Distant Atoms[J]. 中国物理快报, 2006, 23(5): 1088-1091.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I5/1088
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2006, Vol. 23 
