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用CS2分子研究振动局域态的纠缠和能量
引用本文:杨紫新,沈星,侯喜文.用CS2分子研究振动局域态的纠缠和能量[J].化学物理学报,2015,28(3):295-298.
作者姓名:杨紫新  沈星  侯喜文
作者单位:湖北武汉市华中师范大学物理系,武汉 430079,湖北武汉市华中师范大学物理系,武汉 430079,湖北武汉市华中师范大学物理系,武汉 430079
摘    要:研究CS2费米共振耦合振动局域态的Neumann纠缠熵动力学, 并研究伸缩与弯曲振动的相互作用能量, 目的是建立纠缠与能量的联系. 结果表明伸缩振动局域态的纠缠与能量是反关联更明显, 而弯曲振动局域态的纠缠与能量是正关联更明显. 还讨论了非局域态的纠缠与能量的关系.

关 键 词:纠缠,量子熵,振动分析
收稿时间:2015/3/16 0:00:00

Entanglement and Energy for Vibrationally Localized States in Molecule CS2
Zi-xin Yang,Xing Shen and Xi-wen Hou.Entanglement and Energy for Vibrationally Localized States in Molecule CS2[J].Chinese Journal of Chemical Physics,2015,28(3):295-298.
Authors:Zi-xin Yang  Xing Shen and Xi-wen Hou
Affiliation:Department of Physics, Huazhong Normal University, Wuhan 430079, China,Department of Physics, Huazhong Normal University, Wuhan 430079, China and Department of Physics, Huazhong Normal University, Wuhan 430079, China
Abstract:The dynamics of quantum entanglement described by the von Neumann entropy is studied for the localized states of Fermi-resonance coupling vibrations in molecule CS2, where the interacting energy between the stretching and the bending modes is considered to establish a connection between entanglement and energy. It is shown that entanglement reveals dominant anti-correlation with the interacting energy for the stretch-localized state, while that exhibits dominantly positive correlation for the bend-localized state. The entanglement and the energy for the dislocalized states are discussed as well. Those are useful for molecular quantum computing and quantum information in high dimensional states.
Keywords:Entanglement  Quantum entropy  Vibrational analysis
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