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Dzyaloshinsky-Moriya作用影响下的qubit-qutrit系统关联动力学
  • ISSN号：1007-6654
  • 期刊名称：《量子光学学报》
  • 时间：0
  • 分类：O413.1[理学—理论物理;理学—物理]
  • 作者机构：[1]山西大学理论物理研究所,山西太原030006
  • 相关基金：国家自然科学基金（11105087,61275210,11075099,11275118）; 山西省青年科技基金（2010021003）
作者： 李欣[1], 李军奇[1], 梁九卿[1]
关键词： NEGATIVITY, 几何量子失协, Dzyaloshinsky-Moriya相互作用, negativity, geometric quantum discord, Dzyaloshinsky-Moriya interaction
中文摘要：

本文分析了与各自自旋链环境相互耦合的qubit和qutrit中的negativity和几何量子失协动力学,讨论了系统和环境间的耦合强度g、各向异性参数γ、粒子数N、初始参数p以及Dzyaloshinsky-Moriya相互作用对系统演化的影响,得到一些重要结论。另外发现,依赖于各参数的选取,negativity不总是大于几何量子失协,且几何量子失协存在突然改变点。

英文摘要：

We analyzed the dynamical behaviour qutrit system in this paper. The central qubit s of negativity and geometric quantum discord in a qubit and （qutrit） was coupled with its own spin-chain environment. The effect of coupled strength g, anisotropy parameter γ, the number of particles N, the initial parameter p and Dzyaloshinsky-Moriya interaction on evolution of system was investigated and some significant results have been obtained. What＇ s more, it was shown that the negativity was not always greater that the geometric quantum discord, and there was the sudden change point for geometric quantum discord when the proper parameters were chosen.

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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