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题名: Quantum measurement via Born-Oppenheimer adiabatic dynamics
作者: Sun, CP ;  Liu, XF ;  Zhou, DL ;  Yu, SX
刊名: PHYSICAL REVIEW A
出版日期: 2001
卷号: 63, 期号:1, 页码:-
关键词: WAVE-FUNCTION COLLAPSE ;  PHASE-FACTORS ;  DECOHERENCE ;  MODEL ;  APPROXIMATION ;  INTERFERENCE ;  REALIZATION ;  REDUCTION ;  SYSTEMS
学科分类: Physics
通讯作者: Sun, CP , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Chinese Univ Hong Kong, Dept Phys, Hong Kong, Hong Kong, Peoples R China; Peking Univ, Dept Math, Beijing 100871, Peoples R China
英文摘要: The Born-Oppenheimer adiabatic approximation is used to describe the dynamic realization of wave-function collapse in quantum measurement. In the adiabatic limit, it is shown that the wave function of the total system formed by the measured quantum system plus the measuring apparatus can be factorized as an entangled state with correlation between adiabatic quantum states and quasiclassical motion configurations of the large system. When the apparatus effectively behaves as a classical object, this adiabatic entanglement leads to the wave-function collapse, which creates an ideal quantum measurement process.
收录类别: SCI
WOS记录号: WOS:000166383000023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12841
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:
Sun, CP,Liu, XF,Zhou, DL,et al. Quantum measurement via Born-Oppenheimer adiabatic dynamics[J]. PHYSICAL REVIEW A,2001,63(1):-.
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