Nonadiabatic detection of the geometric phase of the macroscopic quantum state with a symmetric SQUID
Wang Xiang-bin, Matsumoto Keiji
DOI 10.1103/PhysRevB.65.172508 · Physical Review B
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Abstract
We propose a type of nonadiabatic scheme to detect the geometric phase for the macroscopic state of a Josephson-junction system. After extending the scheme to the two-qubit cases, we provide a type of nonadiabatic geometric C-NOT gate that can play an important role in quantum computation.
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