Entanglement concentration for unknown atomic entangled states via entanglement swapping

被引：69
|
作者：
Yang, M [1 ]
Zhao, Y [1 ]
Song, W [1 ]
Cao, ZL [1 ]
机构：
[1] Anhui Univ, Anhui Key Lab Informat Mat & Devices, Sch Phys & Mat Sci, Hefei 230039, Peoples R China
来源：
PHYSICAL REVIEW A | 2005年 / 71卷 / 04期
关键词：
D O I：
10.1103/PhysRevA.71.044302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An entanglement concentration scheme for unknown atomic entanglement states is proposed via entanglement swapping in cavity QED. Because the interaction used here is a large-detuned one between two driven atoms and a quantized cavity mode, the effects of the cavity decay and thermal field have been eliminated. These advantages can warrant the experimental feasibility of the current scheme.
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页数：4
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