This article is cited in 3 papers

Exactly solvable model of phase transitions

Yu. M. Ivanchenko, A. A. Lisyanskii, A. E. Filippov


Abstract: Exactly solvable model is studied which shows the phase transition taking into account only interaction between fluctuations with equal and oppositely directed momenta. Critical and tricritical behaviour influence of frozen-in impurities on the phase transition is studied and it is shown that in the narrow region proportional to the impurity concentration the phase transition is smeared.

Received: 19.12.1985

 English version: Theoretical and Mathematical Physics, 1987, 71:3, 649–656

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