Inhomogeneous chiral phases in two-flavor quark matter

TL;DR

This paper investigates the phase structure of two-flavor quark matter using a Ginzburg-Landau approach, revealing a possible inhomogeneous pion crystal phase at high densities before chiral symmetry restoration.

Contribution

It introduces a systematic analysis of inhomogeneous chiral phases, specifically identifying the pion crystal phase in dense quark matter.

Findings

Identification of a pion crystal phase at high density

Inhomogeneous chiral phases precede symmetry restoration

Systematic Ginzburg-Landau framework application

Abstract

We present a systematic study of the phase structure of QCD in a generalized Ginzburg-Landau framework. We find, going up in density, a strongly interacting matter might go through the "pion crystal", an exotic inhomogeneous chiral phase before reaching the full restoration of symmetry.