Chiral symmetry breaking in a uniform external magnetic field. 2. Symmetry restoration at high temperatures and chemical potentials

Nov, 1997
11 pages
Published in:
  • Phys.Rev.D 57 (1998) 5224-5229
e-Print:
Report number:
  • NDHU-TH-97-01,
  • UDHEP-11-97

Citations per year

1998200520122019202402468
Abstract:
Chiral symmetry is dynamically broken in quenched, ladder QED at weak gauge couplings when an external magnetic field is present. In this paper, we show that chiral symmetry is restored above a critical chemical potential and the corresponding phase transition is of first order. In contrast, the chiral symmetry restoration at high temperatures (and at zero chemical potential) is a second order phase transition.
  • quantum electrodynamics
  • symmetry: chiral
  • dynamical symmetry breaking
  • magnetic field: external field
  • potential: chemical
  • finite temperature
  • critical phenomena
  • fermion: mass
  • numerical calculations