| 双模压缩数态光场的Wigner函数及其特性 |
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| 引用本文： | 宋军,范洪义,周军.双模压缩数态光场的Wigner函数及其特性[J].物理学报,2011,60(11):110302-110302. |
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| 作者姓名： | 宋军 范洪义 周军 |
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| 作者单位： | 1. 皖西学院材料与化工系,六安 237012;
2. 中国科学技术大学材料科学与工程系,合肥 230026 |
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| 基金项目： | 国家自然科学基金(批准号:10874174)和安徽省高等学校优秀青年人才基金(批准号:2011SQRL147)资助的课题. |
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| 摘 要： | 借助纠缠态表象及Wigner算符在该表象下的表示,得到双模压缩数态的Wigner函数,数值计算画出相空间中Wigner函数的分布图,并加以分析,发现双模压缩数态两模之间相互关联、相互纠缠,对相空间中Wigner函数分布产生影响.
关键词：
双模压缩数态
Wigner函数
纠缠态表象
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| 关 键 词： | 双模压缩数态 Wigner函数 纠缠态表象 |
| 收稿时间： | 2011-01-12 |
| 修稿时间： | 2/6/2011 12:00:00 AM |
Wigner function of two-mode squeezed number state and its properties |
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| Song Jun,Fan Hong-Yi and Zhou Jun.Wigner function of two-mode squeezed number state and its properties[J].Acta Physica Sinica,2011,60(11):110302-110302. |
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| Authors: | Song Jun Fan Hong-Yi and Zhou Jun |
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| Institution: | Department of Material and Chemical Engineering, West Anhui University, Liu'an 237012, China;Department of Material Science and Engineering, Department of Physics, University of Science and Technology of China, Hefei 230026, China;Department of Material Science and Engineering, Department of Physics, University of Science and Technology of China, Hefei 230026, China;Department of Material and Chemical Engineering, West Anhui University, Liu'an 237012, China;Department of Material Science and Engineering, Department of Physics, University of Science and Technology of China, Hefei 230026, China |
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| Abstract: | By means of the entangled state representation as well as the Wigner operator in such a representation, the Wigner function of the two-mode squeezed number states is derived. The properties of corresponding Wigner function in the phase space are discussed by numerical calculation. The results indicate that Wigner function distribution in the phase space should be influenced by the correlation and the entanglement between two modes of two-mode squeezed number state. |
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| Keywords: | two-mode squeezed number states Wigner function entangled state representation |
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