# Optimized Perturbation Theory Applied to a Model with Flavour Symmetry $SU_f(3)$

27 Apr 2018 Macías Juan C. Pinto Marcus Benghi

The \textit{optimized perturbation theory} (OPT) is implemented in the $SU_f(3)$ flavor symmetric Nambu--Jona-Lasinio (NJL) model to generate non-pertubative corrections to the quark pressure beyond the large-$N$ approximation. The correctness of this implementation is verified by the recovery of the already known non-perturbative results in the Hartree-Fock approximation, and by having the large-$N$ approximation as a limiting case... (read more)

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# Categories

• NUCLEAR THEORY
• HIGH ENERGY PHYSICS - LATTICE
• HIGH ENERGY PHYSICS - PHENOMENOLOGY