Induced Magnetism in Color-Superconducting Media

TL;DR

This paper explores how color superconducting cores in dense stars can generate or amplify magnetic fields through gluonic currents, providing an alternative mechanism to traditional dynamo theories.

Contribution

It introduces a novel magnetic field generation mechanism in color superconductors via gluonic currents, independent of magnetohydrodynamic dynamo processes.

Findings

Gluonic currents can stabilize magnetic fields in color superconductors.

Color superconductivity can enhance stellar magnetic fields.

The mechanism operates under neutrality and $eta$-equilibrium constraints.

Abstract

The dense core of compact stars is the natural medium for the realization of color superconductivity. A common characteristic of such astrophysical objects is their strong magnetic fields, especially those of the so called magnetars. In this talk, I discuss how a color superconducting core can generate or/and enhance the stellar magnetic field independently of a magnetohydrodynamic dynamo mechanism. The magnetic field generator is in this case a gluonic current which circulates to stabilize the color superconductor in the presence of a strong magnetic field or under the pairing stress produced in the medium by the neutrality and $\beta$-equilibrium constraints.