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Comment on 'Single-mode excited entangled coherent states'

被引：6
|
作者：
Yuan, Hong-chun [1 ]
Hu, Li-yun [1 ,2 ]
机构：
[1] Shanghai Jiao Tong Univ, Dept Phys, Shanghai 200030, Peoples R China
[2] Jiangxi Normal Univ, Coll Phys & Commun Elect, Nanchang 330022, Peoples R China
来源：
JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL | 2010年 / 43卷 / 01期
关键词：
D O I：
10.1088/1751-8113/43/1/018001
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In (Xu and Kuang 2006 J. Phys. A: Math. Gen. 39 L191), the authors claim that, for single-mode excited entangled coherent states vertical bar Psi (+/-) (alpha, m)> the photon excitations lead to the decrease of the concurrence in the strong field regime of vertical bar alpha vertical bar(2) and the concurrence tends to zero when vertical bar alpha vertical bar(2) -> infinity'. This is wrong.
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