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Wang, YD; Zhang, P; Zhou, DL; Sun, CP; Wang, YD , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Fast entanglement of two charge-phase qubits through nonadiabatic coupling to a large Josephson junction
Source PublicationPHYSICAL REVIEW B
KeywordMacroscopic Quantum States Oscillations Gates Ions
AbstractWe 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.
2004
ISSN1098-0121
Volume70Issue:22Pages:-
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13954
Collection理论物理所科研产出_SCI论文
Corresponding AuthorWang, YD , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
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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