Geodesic
On the possibilities of a~phase transition of superconducting type in the Gross--Neveu model
Teoretičeskaâ i matematičeskaâ fizika, Tome 103 (1995) no. 2, pp. 295-298

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It is shown that the calculation of the anomalous averages in the Hartree–Fock approximation comes to the conclusion about the presence of the usual chiral phase transition provided the sign of the connection constant is normal ($g>0$), and the other superconductivity–like transition when $g0$. 
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     author = {A. N. Vasil'ev and G. Yu. Panasyuk},
     title = {On the possibilities of a~phase transition of superconducting type in the {Gross--Neveu} model},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {295--298},
     publisher = {mathdoc},
     volume = {103},
     number = {2},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1995_103_2_a9/}
}
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A. N. Vasil'ev; G. Yu. Panasyuk. On the possibilities of a~phase transition of superconducting type in the Gross--Neveu model. Teoretičeskaâ i matematičeskaâ fizika, Tome 103 (1995) no. 2, pp. 295-298. http://geodesic.mathdoc.fr/item/TMF_1995_103_2_a9/