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20022006
most citedTwo regularizations - two different models of Nambu-Jona-Lasinio

16 citations · 32 across the 6 of their papers we have counts for

collaborators

6 papers

hep-th2006★ 1 cited

On Quantization of Time-Dependent Systems with Constraints

S. A. Gadjiev, R. G. Jafarov

The Dirac method of canonical quantization of theories with second class constraints has to be modified if the constraints depend on time explicitly. A solution of the problem was…

hep-ph2006

On Equations for the Multi-quark Bound States in Nambu--Jona-Lasinio Model

R. G. Jafarov, V. E. Rochev

In present report we review some preliminary results of investigation of higher orders of mean-field expansion for Nambu--Jona-Lasinio model. We discuss first results of investigat…

hep-ph2004★ 2 cited

On pion correction to quark mass in next-leading order of mean-field expansion in NJL model

R. G. Jafarov

The correction to quark mass are calculated in Nambu-Jona-Lasinio model with 4-dimensional cutoff regularization and with dimensional-analytical regularization in the next-to-leadi…

hep-ph2004★ 16 cited

Two regularizations - two different models of Nambu-Jona-Lasinio

R. G. Jafarov, V. E. Rochev

Two variants of the Nambu--Jona-Lasinio model -- the model with 4-dimensional cutoff and the model with dimensionally-analytical regularization -- are systematically compared. It i…

hep-ph2003★ 13 cited

Mean-field expansion and meson effects in chiral condensate of analytically regularized Nambu -- Jona-Lasinio model

R. G. Jafarov, V. E. Rochev

Scalar meson contributions in chiral quark condensate are calculated for analytically regularized Nambu -- Jona-Lasinio model in framework of mean-field expansion in bilocal-source…

hep-th2002

Regge Asymptotics of the Scattering Amplitude in Ladder Approximation

R. G. Jafarov

A method of calculation of the scattering amplitude for fermions and scalar bosons with exchanging of a scalar particle in ladder approximation is suggested. The Bethe-Salpeter lad…