Geodesic
Three-dimensional Gross–Neveu model in an external electric field. II
Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 3, pp. 388-394 
K. G. Klimenko. Three-dimensional Gross–Neveu model in an external electric field. II. Teoretičeskaâ i matematičeskaâ fizika, Tome 89 (1991) no. 3, pp. 388-394. http://geodesic.mathdoc.fr/item/TMF_1991_89_3_a4/
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     title = {Three-dimensional {Gross{\textendash}Neveu} model in an~external electric {field.~II}},
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Voir la notice de l'article provenant de la source Math-Net.Ru

The phase structure of the three-dimensional Gross–Neveu model in a constant external electric field $E$ is investigated. It is shown that for $g>0$ the model remains chiral invariant for all values of $E$. For $g<0$, there exists a critical value $E_c$ of the external field such that for $E the chiral symmetry is spontaneously broken, while for $E\geqslant E_c$ it is restored.

[1] Klimenko K. G., TMF, 89:2 (1991), 211–221 | MR

[2] Kawati S., Konisi A., Miyata H., Phys. Rev., D28:6 (1983), 1537–1541