From QCD phenomenology to nuclear physics phenomenology: the chiral confining model

TL;DR

This paper develops a theoretical framework connecting QCD phenomenology, including gluon correlators and Wilson loops, with a relativistic chiral confining model for nuclear matter and neutron stars, emphasizing confinement and chiral symmetry breaking effects.

Contribution

It introduces a method to link QCD properties with a relativistic nuclear matter model using the Field Correlator Method, highlighting confinement and chiral symmetry breaking roles.

Findings

Derived the response of the nucleon to the nuclear scalar field.

Clarified the roles of confinement and chiral symmetry breaking in nucleon mass in medium.

Generated three-body forces for nuclear saturation.

Abstract

We present a theoretical framework allowing to make an explicit connection between the phenomenology of QCD, namely the properties of the gluon correlator and Wilson loops, and a particular relativistic model for the description of nuclear matter and neutron stars, the chiral confining model. Starting with the Field Correlator Method, which incorporates explicitly and simultaneously confinement and chiral symmetry breaking, we describe how to obtain the response of the composite nucleon to the nuclear scalar field, the relative role of confinement and chiral symmetry breaking in the in-medium nucleon mass evolution, generating the three-body forces needed for the saturation mechanism.