Some peculiarities in response on filling up the Fermi sphere by quarks

TL;DR

This paper investigates how quarks, modeled as quasi-particles with four-fermion interactions, respond when filling up the Fermi sphere, revealing unique characteristics of such a process.

Contribution

It introduces a study of quark responses to Fermi sphere filling using a model Hamiltonian with four-fermion interactions, highlighting peculiar behaviors.

Findings

Identification of unique response features in quark Fermi sphere filling

Insights into quark behavior in dense matter environments

Potential implications for quark matter studies

Abstract

Considering quarks as the quasi-particles of the model Hamiltonian with four-fermion interaction we study response on the process of filling up the Fermi sphere by quarks.