Quark self-energy and condensates in NJL model with external magnetic field
Journal article, Peer reviewed
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Original versionSymmetry. 2021, 13 (8), 1410. 10.3390/sym13081410
In a one-flavor NJL model with a finite temperature, chemical potential, and external magnetic field, the self-energy of the quark propagator contains more condensates besides the vacuum condensate. We use Fierz identity to identify the self-energy and propose a self-consistent analysis to simplify it. It turns out that these condensates are related to the chiral separation effect and spin magnetic moment.