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Название: Phase Transition in an Interacting Bose System. An Application of the Theory of Ventsel' and Freidlin
Автор: Toth B.
Аннотация:
Journal of Statistical Physics, Vol. 61, Nos. 3/4, 1990. p. 749-764.
We consider a system of N bosons on a complete graph with V vertices interacting through hard core repulsion. With the use of the Ventsel'-Freidlin large-deviation theory of random perturbation of dynamical systems, we
calculate the canonical free energy in the thermodynamic limit and prove that the system exhibits a phase transition.