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2（×）n量子系统二参量一类态的量子相对熵纠缠度
  • ISSN号：1007-6654
  • 期刊名称：《量子光学学报》
  • 时间：0
  • 分类：O431[机械工程—光学工程;理学—光学;理学—物理]
  • 作者机构：[1]徐州师范大学物理与电子工程学院,徐州221116, [2]襄樊学院物理与电子信息技术系,襄樊441053
  • 相关基金：国家自然科学基金（60433050）;徐州师范大学自然科学基金重点项目（06XLA05）
作者： 刘思平[1,2], 狄尧民[1]
关键词： 两参量一类态, 量子相对熵纠缠度, 负值度, 形成纠缠度, Two-parameter state , relative entropy of entanglement , negativity, entanglement of formation
中文摘要：

对于任意的两体量子系统，总可以通过局域操作和经典通讯变换成二参量的一类态。本文计算了2（×）n量子系统的两参量一类态的量子相对熵纠缠度，找到了与其最接近的可分离态，得出了具体的解析表达式，并与其他纠缠的度量一负值度和形成纠缠度作了比较，三种纠缠的度量从大到小的依次为负值度、形成纠缠度和量子相对熵纠缠度。

英文摘要：

Any arbitrary state in bipartite quantum system can be transformed into a two-parameter class of states by means of local quantum operation and classical communication. In this paper, the quantum relative entropy of entanglement for this kind of states is calculated, the nearest separable states are found and the analytic expression of the entanglement is obtained. The comparation with two other measures of entanglement, the negativity and the entanglement of formation, is also made. The sequence of three measures from high to low is the negativity, the entanglement of formation and the relative entropy of entanglement.

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期刊信息
  • 《量子光学学报》
  • 中国科技核心期刊
  • 主管单位:山西省科学技术协会
  • 主办单位:山西省物理学会
  • 主编：彭堃墀
  • 地址：山西坞城路92号太原山西大学光电研究所
  • 邮编：030006
  • 邮箱：qo@sxu.edu.cn
  • 电话：0351-7018917 7018853
  • 国际标准刊号：ISSN：1007-6654
  • 国内统一刊号：ISSN：14-1187/O4
  • 邮发代号:
  • 获奖情况:
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:1022