Geodesic
Gauge Nambu--Jona-Lasinio model as a~low-energy approximation of~QCD
Teoretičeskaâ i matematičeskaâ fizika, Tome 93 (1992) no. 1, pp. 67-86

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For the Nambu–Jona-Lasinio model in the regime of dynamical symmetry breaking we formulate principles for selecting $4$-fermion models as a low-energy approximation of QCD. On their basis, by means of an effective potential, we consider the possibility of their intrinsic stabilization at a finite cutoff momentum $\Lambda$. In the framework of the approach, we investigate the influence of the gluon condensate on the parameters of the model and the effective Lagrangian in the low-energy region. 
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     author = {A. A. Andrianov and V. A. Andrianov},
     title = {Gauge {Nambu--Jona-Lasinio} model as a~low-energy approximation {of~QCD}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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A. A. Andrianov; V. A. Andrianov. Gauge Nambu--Jona-Lasinio model as a~low-energy approximation of~QCD. Teoretičeskaâ i matematičeskaâ fizika, Tome 93 (1992) no. 1, pp. 67-86. http://geodesic.mathdoc.fr/item/TMF_1992_93_1_a5/