Neutrino selfenergy and dispersion in a medium with magnetic field

Apr, 1998
17 pages
Published in:
  • Phys.Rev.D 58 (1998) 085016
e-Print:
Report number:
  • KIAS-P98006,
  • INFN-CA-TH-9803

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Abstract:
We calculate the one-loop thermal self-energy of a neutrino in a constant and homogeneous magnetic field to all orders in the magnetic field strength using Schwinger's proper time method. We obtain the dispersion relation under various conditions.
  • finite temperature
  • neutrino: propagator
  • propagator: renormalization
  • magnetic field: external field
  • dispersion relation
  • plasma
  • asymmetry: CP
  • Feynman graph: higher-order