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April 19, 2026The European Physical Journal Special Topics0 citationsOpen Access

Inhomogeneous instabilities in high-density QCD

JPJan M. PawlowskiFRFabian RenneckeFSFranz R. Sattler

Key Points

  • This research aims to analyze the dynamics of the moat regime in high-density quantum chromodynamics (QCD) and its associated instabilities.
  • Utilized a functional renormalisation group approach to QCD.
  • Conducted a self-consistent analysis of the moat regime.
  • Investigated inhomogeneous instabilities at baryon chemical potential above 600 MeV.
  • Mapped out the dynamics of the moat regime in the scalar–pseudoscalar sector.
  • Identified potential inhomogeneous instabilities in the high-density regime of QCD.
  • Provided insights into the implications for the critical end point of QCD.

Abstract

Abstract QCD at large densities exhibits a moat regime in the scalar–pseudoscalar sector. The resolution of its dynamics is pivotal for the access to the onset of new phases including the potential critical end point of QCD. In this work we present the first self-consistent analysis of this regime with the functional renormalisation group approach to QCD. We map out the moat regime, including a first analysis of potential inhomogeneous instabilities at baryon chemical potential B 600 μ B ≳ 600 MeV on the chiral crossover line.

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Cite This Study

Pawlowski et al. (2026) studied this question.

synapsesocial.com/papers/69e4745f010ef96374d90130https://doi.org/10.1140/epjs/s11734-026-02262-6
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