Universal upper bounds on the Bose-Einstein condensate and the Hubbard star
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DOI: 10.1103/physrevb.96.064502
Abstract: For N hard-core bosons on an arbitrary lattice with d sites and independent of additional interaction terms we prove that the hard-core constraint itself already enforces a universal upper bound on the Bose-Einstein condensate given… read more here.
Keywords: einstein condensate; universal upper; bose einstein; hubbard star ... See more keywords