New even and odd nonlinear coherent states and their nonclassical properties

被引：5
|
作者：
Meng Xiang-Guo [1 ]
Wang Ji-Suo [1 ]
Li Yan-Ling [1 ]
机构：
[1] Liaocheng Univ, Dept Phys, Shandong 252059, Peoples R China
来源：
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS | 2007年 / 46卷 / 05期
基金：
中国国家自然科学基金;
关键词：
new even and odd NLCS; quadrature squeezing; amplitude-squared squeezing; sub-Poissonian distribution;
D O I：
10.1007/s10773-006-9266-1
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, a new kind of even and odd nonlinear coherent states (NLCSs) are introduced. Some nonclassical properties of the states are investigated. It has been found that the new even and odd NLCSs exhibit quadrature squeezing and amplitude-squared squeezing in the Y-2 direction, however the new odd NLCSs only display sub-Poissonian behaviour. The results show that the nonclassical properties of the new even and odd NLCSs are rather different from those of the usual even and odd coherent states and NLCSs.
引用
收藏
页码：1205 / 1214
页数：10
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