Microscopic origin of the magnetic field in compact stars
Toshitaka Tatsumi
Abstract
A magnetic aspect of quark matter is studied by the Fermi liquid theory. The magnetic susceptibility is derived with the one-gluon-exchange interaction, and the critical Fermi momentum for spontaneous spin polarization is found to be 1.4fm-1. A scenario about the origin of the magnetic field in compact stars is presented by using this result.
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