| 二能级原子自发辐射过程中的Wigner-Yanse偏振信息 |
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| 引用本文： | 李敏,刘万芳,江燕燕,章礼华,赵玉杰.二能级原子自发辐射过程中的Wigner-Yanse偏振信息[J].原子与分子物理学报,2016,33(6). |
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| 作者姓名： | 李敏 刘万芳 江燕燕 章礼华 赵玉杰 |
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| 作者单位： | 集美大学,安庆师范学院,,, |
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| 基金项目： | 无,国家自然科学基金,省市自然科学基金,省青年人才基金 |
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| 摘 要： | 研究了单个二能级原子自发辐射过程中原子和光场的Wigner-Yanse信息的变化情况. 分别计算了原子和辐射场的Wigner-Yanse信息. 结果表明：原子和光场的Wigner-Yanse信息都依赖于的平均值 , 并且当原子处于基态时, 光场的Wigner-Yanse信息达到最大值. 此外, 还发现原子与光场并不是同步地达到最大混合态.
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| 关 键 词： | 二能级原子 自发辐射 狄克模型 Wigner-Yanse偏振信息 混合态 |
| 收稿时间： | 1/9/2014 12:00:00 AM |
Wigner-Yanse skew information of the process of spontaneous emission between the two atomic levels |
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| limin,and.Wigner-Yanse skew information of the process of spontaneous emission between the two atomic levels[J].Journal of Atomic and Molecular Physics,2016,33(6). |
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| Authors: | limin and |
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| Abstract: | We investigate the changes of the Winger-Yanse information in the processes of the spontaneous emission of a two-level atom system in free space, and calculate the Winger-Yanse information for the reduced density matrix of the atom and that for the quantum radiation respectively. Our investigations show that both of them depend on the expectation of , and the Winger-Yanse information for the radiation field reach the maximum when the atom stays in the ground state. Additionally, the results find that both the atom and the field will not simultaneously become the maximal mixed state. |
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| Keywords: | two-level atom spontaneous emission Dicke mode Wigner-Yanse skew information mixed states |
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