Geodesic
Model of dynamical breaking of chiral symmetry and quark condensate
Teoretičeskaâ i matematičeskaâ fizika, Tome 70 (1987) no. 2, pp. 211-217

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In the framework of the model suggested earlier [1, 2] to describe non-perturbative QCD the singularity of the type $1/k^4$ in the gluon propagator is shown to result in dynamical chiral symmetry breaking and appearance of quark condensate. The value obtained for quark condensate is close to the phenomenological one. 
@article{TMF_1987_70_2_a5,
     author = {M. L. Nekrasov and V. E. Rochev},
     title = {Model of dynamical breaking of chiral symmetry and quark condensate},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {211--217},
     publisher = {mathdoc},
     volume = {70},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1987_70_2_a5/}
}
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M. L. Nekrasov; V. E. Rochev. Model of dynamical breaking of chiral symmetry and quark condensate. Teoretičeskaâ i matematičeskaâ fizika, Tome 70 (1987) no. 2, pp. 211-217. http://geodesic.mathdoc.fr/item/TMF_1987_70_2_a5/