| 2个原子与2个耗散腔场量子体系中线性熵的研究 |
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| 引用本文： | 罗涛,王雪迎,潘淑梅,郑泰玉.2个原子与2个耗散腔场量子体系中线性熵的研究[J].东北师大学报(自然科学版),2011,43(1):56-60. |
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| 作者姓名： | 罗涛 王雪迎 潘淑梅 郑泰玉 |
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| 作者单位： | 长春师范学院物理学院;东北师范大学物理学院; |
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| 基金项目： | 国家自然科学基金资助项目(13002103) |
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| 摘 要： | 应用J-C模型与相互作用绘景中的密度算符理论,研究了2个二能级Rydberg原子与2个纠缠耗散腔场单光子共振相互作用过程中线性熵的演化特性.推导了此体系中单个原子、单个场以及2个原子、2个腔场的线性熵公式,讨论了腔场的耗散系数和原子-光场相互作用耦合系数对各线性熵演化的振荡性及其周期性的影响.线性熵的时间演化周期与原子...
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| 关 键 词： | 线性熵 耗散腔场 密度算符 J-C模型 |
Study of linear entropy evolution in system of two atom-two dissipative cavity |
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| LUO Tao,WANG Xue-ying,PAN Shu-mei,ZHENG Tai-yu.Study of linear entropy evolution in system of two atom-two dissipative cavity[J].Journal of Northeast Normal University (Natural Science Edition),2011,43(1):56-60. |
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| Authors: | LUO Tao WANG Xue-ying PAN Shu-mei ZHENG Tai-yu |
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| Institution: | LUO Tao1,2,WANG Xue-ying2,PAN Shu-mei2,ZHENG Tai-yu2(1.School of Physics,Changchun Normal College,Changchun 130032,China,2.School of Physics,Northeast Normal University,Changchun 130024,China) |
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| Abstract: | In this paper,by using J-C model and the density operator theory in interaction picture,the evolution features of linear entropy were studied in the system of two two-level Rydberg atom and two entangled dissipative cavities with single-photon resonant interaction.The derivation was done of the linear entropy formula of a single atom,a single cavity,as well as two atoms,two cavities,and analyzed how the cavity dissipation coefficients and the atom-cavity interaction coupling coefficient influenced the oscil... |
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| Keywords: | linear entropy dissipative cavity density operator J-C model |
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