Fermion production in time dependent fields

Feb, 2003
27 pages
Published in:
  • Phys.Rev.D 68 (2003) 105005
e-Print:

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Abstract:
The exact fermion propagator in a classical time-dependent gauge field is derived by solving the equation of motion for the Dirac Green's functions. From the retarded propagator obtained in this way the momentum spectrum for the produced fermion pairs is calculated. Different approximations and the exact solution for the propagator and the momentum spectrum are presented.
  • 25.75.Dw
  • 11.15.Kc
  • 12.38.Mh
  • gauge field theory: Yang-Mills
  • fermion: propagator
  • field theory: classical
  • time dependence
  • Dirac equation: solution
  • momentum spectrum
  • numerical calculations
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