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Preparation of a New Type of Multiqubit Entangled States in Cavity QED 被引量:1

Preparation of a New Type of Multiqubit Entangled States in Cavity QED
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摘要 Recently Yang,Chu,and Han [Phys.Rev.A 70 (2004) 022329] presented a new type of multipartiteentangled states for implementing efficient many-party controlled teleportation of multiqubit quantum information.Herewe propose a simple scheme for preparing such a type of multi-atom entangled states in cavity quantum electrodynamics(QED).The scheme involves atom-cavity interaction with large detuning,and is immune to the cavity decay and thethermal field states.Some practical analyses show its availability with the present technology.
出处 《Communications in Theoretical Physics》 SCIE CAS CSCD 2008年第9期738-740,共3页 理论物理通讯(英文版)
基金 the Natural Science Foundation of Hunan Province under Grant No.06JJ5015 the Scientific Research Fund of the Education Department of Hunan Province under Grant No.06C354
关键词 new type of entangledsates cavity QED controlled quantum communication 受控量子通信 缠结状态 空腔QED 物理
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参考文献1

  • 1ZHANG Jingfu, XIE Jingyi, DENG Zhiwei & LU Zhiheng Key Laboratory for Quantum Information and Measurements, Department of Physics, Tsinghua University, Beijing 100084, China,Center for Quantum Information, Tsinghua University, Beijing 100084, China,Department of Materials Science and Engineering, Beijing Normal University, Beijing 100875, China,Testing and Analytical Center, Beijing Normal University, Beijing 100875, China,Department of Physics, Beijing Normal University, Beijing 100875, China.Dense coding scheme using superpositions of Bell-states and its NMR implementation[J].Science China(Physics,Mechanics & Astronomy),2005,48(1):57-67. 被引量:19

二级参考文献2

  • 1Steane,A.Quantum computing, Rep[].Progress of Theoretical Physics.1998
  • 2Grover,L. K.Quantum computers can search rapidly by using almost any transformation, Phys.Rev[].Lett.1998

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