Revisiting color superconductors in bottom-up holography

TL;DR

This paper develops a holographic model to describe color superconductivity, incorporating scalar condensation and Higgsing at finite density through a novel coupling to the RR 4-form.

Contribution

It introduces a bottom-up holographic model with a topological WZ term that captures color superconductivity phenomena.

Findings

Scalar condensation occurs at high density.

Color Higgsing is achieved in the condensed phase.

The model successfully describes finite density effects.

Abstract

We revisit the problem of constructing a color superconducting phase in bottom-up holography. We introduce a model that describes the five-dimensional dynamics of a scalar field dual to a chiral symmetry breaking condensate, which is coupled to the RR 4-form. The coupling is given by a topological WZ term, which is elegantly responsible both for scalar condensation at high density, and color Higgsing in the condensed phase. This construction realizes both properties at finite density and Higgsing fraction.