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题名: Optical selection rules and phase-dependent adiabatic state control in a superconducting quantum circuit
作者: Liu, YX ;  You, JQ ;  Wei, LF ;  Sun, CP ;  Nori, F
刊名: PHYSICAL REVIEW LETTERS
出版日期: 2005
卷号: 95, 期号:8, 页码:-
关键词: FLUX QUBIT ;  DYNAMICS
学科分类: Physics
通讯作者: Liu, YX , RIKEN, Inst Phys & Chem Res, Frontier Res Syst, Wako, Saitama 3510198, Japan.
部门归属: RIKEN, Inst Phys & Chem Res, Frontier Res Syst, Wako, Saitama 3510198, Japan; Fudan Univ, Dept Phys, Shanghai 200433, Peoples R China; Fudan Univ, Surface Phys Lab, Shanghai 200433, Peoples R China; Shanghai Jiao Tong Univ, Dept Phys, IQOQI, Shanghai 200030, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Univ Michigan, CSCS, Dept Phys, MCTP, Ann Arbor, MI 48109 USA
英文摘要: We analyze the optical selection rules of the microwave-assisted transitions in a flux qubit superconducting quantum circuit (SQC). We show that the parities of the states relevant to the superconducting phase in the SQC are well defined when the external magnetic flux Phi(e)=Phi(0)/2; then the selection rules are the same as the ones for the electric-dipole transitions in usual atoms. When Phi(e)not equal Phi(0)/2, the symmetry of the potential of the artificial "atom" is broken, a so-called Delta-type "cyclic" three-level atom is formed, where one- and two-photon processes can coexist. We study how the population of these three states can be selectively transferred by adiabatically controlling the electromagnetic field pulses. Different from Lambda-type atoms, the adiabatic population transfer in our three-level Delta atom can be controlled not only by the amplitudes but also by the phases of the pluses.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000231310900055
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13761
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:
Liu, YX,You, JQ,Wei, LF,et al. Optical selection rules and phase-dependent adiabatic state control in a superconducting quantum circuit[J]. PHYSICAL REVIEW LETTERS,2005,95(8):-.
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