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题名: Proposal for a quantum delayed-choice experiment with a spin-mechanical setup
作者: Li, PB ;  Li, FL
刊名: PHYSICAL REVIEW A
出版日期: 2016
卷号: 94, 期号:4, 页码:42130
学科分类: Optics; Physics
DOI: http://dx.doi.org/10.1103/PhysRevA.94.042130
通讯作者: Li, PB (reprint author), Xi An Jiao Tong Univ, Dept Appl Phys, Shaanxi Prov Key Lab Quantum Informat & Quantum O, Xian 710049, Peoples R China. ;  Li, PB (reprint author), Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: We describe an experimentally feasible protocol for performing a variant of the quantum delayed-choice experiment with massive objects. In this scheme, a single nitrogen-vacancy (NV) center in diamond driven by microwave fields is dispersively coupled to a massive mechanical resonator. A double-pulse Ramsey interferometer can be implemented with the spin-mechanical setup, where the second Ramsey microwave pulse drives the spin conditioned on the number states of the resonator. The probability for finding the NV center in definite spin states exhibits interference fringes when the mechanical resonator is prepared in a specific number state. On the other hand, the interference is destroyed if the mechanical resonator stays in some other number states. The wavelike and particlelike behavior of the NV spin can be superposed by preparing the mechanical resonator in a superposition of two distinct number states. Thus a quantum version of Wheeler's delayed-choice experiment could be implemented, allowing fundamental tests of quantum mechanics on a macroscopic scale.
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
关键词[WOS]: GROUND-STATE ;  NANOMECHANICAL OSCILLATOR ;  RESONATOR ;  DIAMOND ;  COMPLEMENTARITY ;  REALIZATION ;  COHERENT ;  SYSTEMS ;  ERASER
收录类别: SCI
项目资助者: NSFC [11474227, 11534008]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21496
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Li, PB,Li, FL. Proposal for a quantum delayed-choice experiment with a spin-mechanical setup[J]. PHYSICAL REVIEW A,2016,94(4):42130.
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