| 双模压缩真空态光场作用下耦合双原子的Wigner-Yanase偏态信息 |
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| 引用本文： | 李敏.双模压缩真空态光场作用下耦合双原子的Wigner-Yanase偏态信息[J].集美大学学报(自然科学版),2015,0(6):475-480. |
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| 作者姓名： | 李敏 |
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| 作者单位： | (集美大学诚毅学院，福建 厦门 361021） |
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| 摘 要： | 研究了与双模压缩真空态光场作用过程中耦合双原子的Wigner-Yanase偏态信息．结果表明，当光场压缩因子较小时，光场与原子间相互作用和原子间偶极-偶极相互作用共同决定了原子的总Wigner-Yanase偏态信息演化的周期；增强原子间偶极-偶极相互作用，可以抵抗原子的总Wigner-Yanase偏态信息的丢失；光场压缩因子对原子的总Wigner-Yanase偏态信息的丢失起着重要的作用，当光场压缩因子较大时，原子的总Wigner-Yanase偏态信息会完全丢失
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| 关 键 词： | 压缩真空态 Wigner-Yanase偏态信息 光场 耦合 二能级原子 偶极-偶极相互作用 |
The Wigner-Yanase Information of Two Coupled Two-level Atoms Interacting with Two-mode Squeezed Vacuum Field |
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| LI Min.The Wigner-Yanase Information of Two Coupled Two-level Atoms Interacting with Two-mode Squeezed Vacuum Field[J].the Editorial Board of Jimei University(Natural Science),2015,0(6):475-480. |
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| Authors: | LI Min |
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| Affiliation: | （Chengyi College,Jimei University,Xiamen 361021,China） |
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| Abstract: | The change of the total Wigner-Yanase skew information of two coupled two-level atoms interacting with two-mode squeezed vacuum state field was investigated.The results showed that when the squeezed factor was smaller，the interaction between atoms and field,the dipole-dipole interaction of two atoms determined evolution period of the total Wigner-Yanase skew information together;enhancing the dipole-dipole interaction of two atoms could resist the loss of the total Wigner-Yanase skew information;the squeezed factor of light field played an important role in the loss of the total Wigner-Yanase skew information，and when the squeezed factor was bigger，the total Wigner-Yanase skew information of atoms would lose completely. |
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| Keywords: | two-mode squeezed vacuum state Wigner-Yanase skew information light field coupled two-level atom dipole-dipole interaction |
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