Quasi-probability distribution in the coherent thermal state representation and its time evolution

被引：4
|
作者：
Fan, HY
机构：
[1] CCAST, World Lab, Beijing 100080, Peoples R China
[2] Univ Sci & Technol China, Dept Mat Sci & Engn, Anhua 230026, Peoples R China
来源：
PHYSICS LETTERS A | 2002年 / 294卷 / 3-4期
关键词：
D O I：
10.1016/S0375-9601(02)00061-0
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We find that the coherent thermal state \eta> (H.-y. Fan et al., Phys. Lett. A 246 (1998) 242) can provide a new approach for studying quasi-probability distribution of density operators and their time evolution. This approach is convenient and concise because the \eta> state possesses well-behaved proper-ties and is based on the thermal field dynamics. (C) 2002 Elsevier Science B.V All rights reserved.
引用
收藏
页码：134 / 138
页数：5
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