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Fast entanglement of two charge-phase qubits through nonadiabatic coupling to a large Josephson junction
Wang, YD; Zhang, P; Zhou, DL; Sun, CP; Wang, YD , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
2004
发表期刊PHYSICAL REVIEW B
ISSN1098-0121
卷号70期号:22页码:-
摘要We propose a theoretical protocol for quantum logic gates between two Josephson junction charge-phase qubits through the control of their coupling to a large junction whose Josephson coupling energy is much larger than its Coulomb charge energy. In the low excitation limit of the large junction, it behaves effectively as a quantum data-bus mode of a harmonic oscillator. Our protocol can be fast since it does not require the data-bus to stay adiabatically in its ground state, as such it can be implemented over a wide parameter regime independent of the data-bus quantum state.
部门归属Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Macroscopic Quantum States Oscillations Gates Ions
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226111800096
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13954
专题理论物理所SCI论文
通讯作者Wang, YD , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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Wang, YD,Zhang, P,Zhou, DL,et al. Fast entanglement of two charge-phase qubits through nonadiabatic coupling to a large Josephson junction[J]. PHYSICAL REVIEW B,2004,70(22):-.
APA Wang, YD,Zhang, P,Zhou, DL,Sun, CP,&Wang, YD , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2004).Fast entanglement of two charge-phase qubits through nonadiabatic coupling to a large Josephson junction.PHYSICAL REVIEW B,70(22),-.
MLA Wang, YD,et al."Fast entanglement of two charge-phase qubits through nonadiabatic coupling to a large Josephson junction".PHYSICAL REVIEW B 70.22(2004):-.
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