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Creating Bell states and decoherence effects in a quantum-dot system
Yi, XX; Jin, GR; Zhou, DL; Yi, XX , NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China.
2001
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号63期号:6页码:-
摘要We show how to improve efficiency in preparing Bell states in a coupled two-quantum-dot system, which was introduced by Quiroga and Johnson [Phys. Rev. Lett. 83, 2270 (1999)]. A measurement of the state of a driven quantum laser field leads to wave-function collapse. This results in the highly efficient preparation of Bell states. The effect of decoherence on the efficiency of generating Bell states is also discussed in this paper. The results show that decoherence does not affect the relative weight of \ 00 > and \ 11 > in the output state, but does affect the efficiency of finding Bell states.
部门归属NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Atomic Ensembles Entanglement Excitons Computation Generation Pairs Light
学科领域Physics
收录类别SCI
WOS记录号WOS:000169134800023
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12735
专题理论物理所1978-2010年知识产出
通讯作者Yi, XX , NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China.
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GB/T 7714
Yi, XX,Jin, GR,Zhou, DL,et al. Creating Bell states and decoherence effects in a quantum-dot system[J]. PHYSICAL REVIEW A,2001,63(6):-.
APA Yi, XX,Jin, GR,Zhou, DL,&Yi, XX , NE Normal Univ, Inst Theoret Phys, Changchun 130024, Peoples R China..(2001).Creating Bell states and decoherence effects in a quantum-dot system.PHYSICAL REVIEW A,63(6),-.
MLA Yi, XX,et al."Creating Bell states and decoherence effects in a quantum-dot system".PHYSICAL REVIEW A 63.6(2001):-.
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