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Название: Exact Results for a Generalized Classical O(n) Matrix Spin Model
Авторы: Angelescu N., Bundaru M., Costache G.
Аннотация:
A generalized O(n) matrix version of the classical Heisenberg model, introduced by Fuller and Lenard as a classical limit of a quantum model, is solved exactly in one dimension. The free energy is analytic and the pair correlation functions decay exponentially for all finite temperatures