Extended two-site Bose–Hubbard model with pair tunneling: spontaneous symmetry breaking, effective ground state and fragmentation

Publisher： IOP Publishing

E-ISSN： 1361-6455|48|4|45301-45307

ISSN： 0953-4075

Source： Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.48, Iss.4, 2015-02, pp. : 45301-45307

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