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Exact quantum phase model for mesoscopic Josephson junctions

By J. R. Anglin, P. Drummond and A. Smerzi


An exact version of the phenomenological quantum phase model was derived from the two-mode Bose-Hubbard model for a Josephson junction. It was shown that this exact quantum phase model reproduces the time scales and the π states of the Gross-Pitaevskii mean-field theory

Topics: 3107 Atomic and Molecular Physics, and Optics
Publisher: 'American Physical Society (APS)'
Year: 2001
DOI identifier: 10.1103/PhysRevA.64.063605
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