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nucl-th1993★ 4 cited
On the Analytic Structure of the Quark Self-Energy in Nambu-Jona- Lasinio Models
P. P. Domitrovich, H. Müther
The self-energy of quarks is investigated for various models which are inspired by the Nambu--Jona-Lasinio (NJL) model. Including, beyond the Hartree-Fock approximation, terms up t…
nucl-th1993★ 15 cited
Nambu-Jona-Lasinio Models Beyond the Mean Field Approximation
P. Domitrovich, D. Bückers, H. Müther
Inspired by the model of Nambu and Jona-Lasinio, various Lagrangians are considered for a system of interacting quarks. Employing standard techniques of many-body theory, the scala…