Mott transition in lattice boson models
classification
🧮 math-ph
cond-mat.stat-mechmath.MP
keywords
motttransitionamplitudebose-einsteinbose-hubbardbosoncondensateconjectured
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We use mathematically rigorous perturbation theory to study the transition between the Mott insulator and the conjectured Bose-Einstein condensate in a hard-core Bose-Hubbard model. The critical line is established to lowest order in the tunneling amplitude.
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