Condensed Matter Physics, 1997, No 9, p. 29-46, English
The basic elements of the canonical formalism for description of the critical phenomena in systems isomorphic to Ising model are stated. The reduction of the effective Hamiltonian to the canonical form and numerous consequences of such a transformation are thoroughly investigated. The shift of fixed point and the critical exponents of the system are considered.Comments: Figs. 0, Refs. 23, Tabs. 3.
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