Chiral symmetry breaking in a uniform external magnetic field

Jan, 1997
21 pages
Published in:
  • Phys.Rev.D 55 (1997) 6504-6513
e-Print:
Report number:
  • UDHEP-12-96

Citations per year

19972004201120182025051015
Abstract:
Using the nonperturbative Schwinger-Dyson equation, we show that chiral symmetry is dynamically broken in QED at weak couplings when an external magnetic field is present, and that chiral symmetry is restored at temperatures above Tcαπ 2/2πeHT_c \simeq \alpha\pi~2/\sqrt{2 \pi |eH|}, where α\alpha is the fine structure constant and HH is the magnetic field strength.
Note:
  • 21 pages, TeX
  • 11.30.Rd
  • 12.20.Ds
  • 11.30.Qc
  • quantum electrodynamics
  • symmetry: chiral
  • dynamical symmetry breaking
  • magnetic field: external field
  • Dyson-Schwinger equation: nonperturbative
  • finite temperature
  • Goldstone particle