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题名: Effective boson-spin model for nuclei-ensemble-based universal quantum memory
作者: Zhi, S ;  Zhang, P ;  Shi, T ;  Sun, CP
刊名: PHYSICAL REVIEW B
出版日期: 2005
卷号: 71, 期号:20, 页码:-
关键词: PHOTON STATES ;  COMPUTATION ;  INFORMATION ;  DYNAMICS
学科分类: Physics
通讯作者: Zhi, S , Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China.
部门归属: Nankai Univ, Dept Phys, Tianjin 300071, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study the collective excitation of a macroscopic ensemble of polarized nuclei fixed in a quantum dot. Under the approximately homogeneous condition that we explicitly present in this paper, this many-particle system behaves as a single-mode boson interacting with the spin of a single conduction-band electron confined in this quantum dot. Within this effective -spin-boson system, the quantum information carried by the electronic spin can be coherently transferred into the collective bosonic mode of excitation in the ensemble of nuclei. In this sense, the collective bosonic excitation can serve as a stable quantum memory to store the quantum spin information of the electron.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000230244300063
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13830
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Zhi, S,Zhang, P,Shi, T,et al. Effective boson-spin model for nuclei-ensemble-based universal quantum memory[J]. PHYSICAL REVIEW B,2005,71(20):-.
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