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We consider a rotating Bose-Einstein condensate in an optical lattice in the regime in which the system Hamiltonian can be mapped onto a Josephson junction array. In an approximate scheme where the couplings are assumed uniform, the ground state energy is formulated in terms of vortex configuration. Application of method for ladder case presented and the results are compared with Monte-Carlo method.
کلید واژگان :josephson junciotn, vortex lattice, ground state
ارزش ریالی : 600000 ریال
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