Baryons in the large N limit of the massive two-dimensional Nambu-Jona-Lasinio model
Christian Boehmer, Felix Karbstein, Michael Thies
TL;DR
This paper investigates baryons in the massive Nambu-Jona-Lasinio model in 1+1 dimensions at large N, combining analytical and numerical methods to evaluate baryon masses across various parameters.
Contribution
It provides a comprehensive analysis of baryon properties in the large N limit of the model, integrating asymptotic and numerical techniques for the first time.
Findings
Baryon mass dependence on bare fermion mass and filling fractions
Validation of analytical asymptotics with numerical results
Detailed characterization of baryons in the large N regime
Abstract
Baryons in the massive Nambu-Jona-Lasinio model in 1+1 dimensions (the massive chiral Gross-Neveu model) are studied in the limit of an infinite number of flavors. The baryon mass is evaluated for a wide range of bare fermion masses and filling fractions, combining analytical asymptotic expansions with a full numerical Hartree-Fock calculation.
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