TL;DR
This paper explores the potential for spontaneous magnetization in quark matter within the QCD phase diagram, analyzing magnetic susceptibility and spin wave modes to understand ferromagnetic properties.
Contribution
It introduces a theoretical framework for ferromagnetism in quark matter, including susceptibility calculations and spin wave formulation, advancing understanding of magnetic phases in QCD.
Findings
Magnetic susceptibility evaluated considering gluon screening effects
Formulation of spin wave as Nambu-Goldstone mode in polarized quark matter
Evidence supporting the possibility of spontaneous magnetization in quark matter
Abstract
A possibility and properties of spontaneous magnetization in quark matter are investigated. Magnetic susceptibility is evaluated within Fermi liquid theory, taking into account of the screening effect of gluons. Spin wave in the polarized quark matter, as the Nambu-Goldstone mode, is formulated by way of the coherent-state path integral.
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