Geodesic
Phase transitions in systems with long-range potential
Teoretičeskaâ i matematičeskaâ fizika, Tome 22 (1975) no. 3, pp. 343-350 
G. V. Klimachev. Phase transitions in systems with long-range potential. Teoretičeskaâ i matematičeskaâ fizika, Tome 22 (1975) no. 3, pp. 343-350. http://geodesic.mathdoc.fr/item/TMF_1975_22_3_a6/
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     title = {Phase transitions in systems with long-range potential},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {343--350},
     year = {1975},
     volume = {22},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1975_22_3_a6/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

Model of magnetic with interaction depending on one parameter only, is considered. The solution at small values of the parameter is obtained for the case of the plane and a special model in three-dimensional volume. Maximal eigen-value of the integral equation, in terms of which the free energy is expressed, becomes degenerate if the temperature is lower than a certain value.

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