Magnetization of Color-Flavor Locked Matter
Jorge Noronha (Frankfurt U., FIAS), Igor A. Shovkovy (Western, Illinois U.)

TL;DR
This paper demonstrates that the magnetization in color-flavor locked quark matter can be extremely strong, potentially leading to magnetic inhomogeneities in the cores of magnetars, which has implications for their magnetic structure.
Contribution
It reveals that homogeneous color-flavor locked quark matter can become metastable under strong magnetic fields, suggesting possible magnetic domain formation in magnetar cores.
Findings
Magnetization can be so strong it induces metastability.
Homogeneous quark matter may develop magnetic inhomogeneities.
Implications for magnetic structure in magnetar cores.
Abstract
We show that the magnetization in color-flavor locked superconductors can be so strong that homogeneous quark matter becomes metastable for a wide range of magnetic field values. This indicates that magnetic domains or other type of magnetic inhomogeneities can be present in the quark cores of magnetars.
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