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Название: Phase Transitions in Systems with a Finite Number of Dominant Ground States
Авторы: Bricmont J., Slawny J.
Аннотация:
We develop a theory of low-temperature phases of discrete lattice systems which is guided by formal perturbation theory, and which in turn yields its rigorous justification. The theory applies to many systems with an infinite number of ground states for which the perturbation theory predicts a finite number of low-temperature phases. We illustrate it on a number of examples.