Dynamical Symmetry Breaking in Planar QED
P. Cea, L. Tedesco (Universita' di Bari, INFN)
TL;DR
This paper explores how magnetic fields induce fermion masses and magnetic condensates in (2+1)-dimensional QED, showing that some effects persist even at infinite temperature, revealing insights into dynamical symmetry breaking.
Contribution
It provides a detailed analysis of dynamical symmetry breaking in planar QED with external magnetic fields, considering both P-odd and P-even fermions at various temperatures.
Findings
Magnetic condensate persists at infinite temperature.
Fermion mass is spontaneously generated by magnetic fields.
Different behaviors for P-odd and P-even fermions.
Abstract
We investigate (2+1)-dimensional QED coupled with Dirac fermions both at zero and finite temperature. We discuss in details two-components (P-odd) and four-components (P-even) fermion fields. We focus on P-odd and P-even Dirac fermions in presence of an external constant magnetic field. In the spontaneous generation of the magnetic condensate survives even at infinite temperature. We also discuss the spontaneous generation of fermion mass in presence of an external magnetic field.
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