Condensate Fragmentation in a New Exactly Solvable Model for Confined Bosons
J. Dukelsky, P. Schuck
Abstract
Based on Richardson's exact solution of the pairing model and the Gaudin model for spin systems we derive a new class of exactly solvable models for finite boson system. As an example we solve a particular hamiltonian which displays a transition to a fragmented condensate for repulsive pairing interactions.
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