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Dynamics of a qubit TLS system under resonant microwave driving
  • ISSN号:1000-3290
  • 期刊名称:《物理学报》
  • 时间:0
  • 分类:O321[理学—一般力学与力学基础;理学—力学] TP393.08[自动化与计算机技术—计算机应用技术;自动化与计算机技术—计算机科学与技术]
  • 作者机构:[1]Research Institute of Superconductor Electronics (RISE), School of Electronic Science and Engineering, Nanjing University, Nanjing 210093, China
  • 相关基金:The work was supported by the National Basic Research Program of China (2011CBA00107 and 2011CBA00202), the National Natural Science Foundation of China (61371036, 11074114 and 11227904), the Natural Science Foundation of Jiangsu (BK2012013), and the CAEP THz Science and Technology Foundation (CAEPTHZ201206).
中文摘要:

We demonstrate the effect of different coupling strengths between a microscopic two-level system(TLS)and a microwave field on the dynamics of a qubit—TLS system when the bipartite system is subject to resonant microwave driving.Rabi beating with a different TLSmicrowave coupling strength is demonstrated in simulations.Entanglement,quantified by the concurrence between the qubit and TLS,both for pure states and mixed states,is simulated.When decoherence is considered,entanglement of the bipartite system oscillates with damping and exhibits entanglement sudden death and/or entanglement sudden death and revival.

英文摘要:

We demonstrate the effect of different cou- pling strengths between a microscopic two-level system (TLS) and a microwave field on the dynamics of a qubit-- TLS system when the bipartite system is subject to reso- nant microwave driving. Rabi beating with a different TLS- microwave coupling strength is demonstrated in simulations. Entanglement, quantified by the concurrence between the qubit and TLS, both for pure states and mixed states, is simulated. When decoherence is considered, entanglement of the bipartite system oscillates with damping and exhibits entanglement sudden death and/or entanglement sudden death and revival.

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期刊信息
  • 《物理学报》
  • 北大核心期刊(2011版)
  • 主管单位:中国科学院
  • 主办单位:中国物理学会 中国科学院物理研究所
  • 主编:欧阳钟灿
  • 地址:北京603信箱(中国科学院物理研究所)
  • 邮编:100190
  • 邮箱:apsoffice@iphy.ac.cn
  • 电话:010-82649026
  • 国际标准刊号:ISSN:1000-3290
  • 国内统一刊号:ISSN:11-1958/O4
  • 邮发代号:2-425
  • 获奖情况:
  • 1999年首届国家期刊奖,2000年中科院优秀期刊特等奖,2001年科技期刊最高方阵队双高期刊居中国期刊第12位
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  • 美国化学文摘(网络版),荷兰文摘与引文数据库,美国工程索引,美国科学引文索引(扩展库),英国科学文摘数据库,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),中国北大核心期刊(2000版)
  • 被引量:49876