Further Investigation on Chiral Symmetry Breaking in a Uniform External Magnetic Field
P. Jasinski, C. N. Leung
TL;DR
This paper investigates how a uniform magnetic field influences chiral symmetry breaking in QED, calculating higher order corrections to the fermion mass and correcting previous literature errors.
Contribution
It provides refined calculations of fermion mass corrections in magnetic fields and addresses an error in the existing literature on fermion self-energy structure.
Findings
Higher order corrections to fermion mass are small
Corrected an error in the matrix structure of fermion self-energy
Enhanced understanding of chiral symmetry breaking in magnetic fields
Abstract
We study chiral symmetry breaking in QED when a uniform external magnetic field is present. We calculate higher order corrections to the dynamically generated fermion mass and find them to be small. In so doing we correct an error in the literature regarding the matrix structure of the fermion self-energy.
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Taxonomy
TopicsQuantum Chromodynamics and Particle Interactions · Cold Atom Physics and Bose-Einstein Condensates · Atomic and Subatomic Physics Research