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Second Order Gyromagnetic Processes

  • Donald Melrose
Chapter
Part of the Lecture Notes in Physics book series (LNP, volume 854)

Abstract

Second order processes are described by Feynman diagrams with two electron-photon vertices. Such processes include Compton scattering, two-photon emission, two-photon pair creation and annihilation, Møller and Bhabha scattering, and the trident process. These processes have counterparts in the absence of a magnetic field, and an important motivation for the inclusion of the magnetic field was the discovery of radio and X-ray pulsars, and the recognition that the sources are strongly magnetized neutron stars [9]. The magnetic field modifies these processes in various ways, two of which are particularly notable: the fact that electrons quickly relax to the ground Landau state, n=0, and the inclusion of gyromagnetic resonances.

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Donald Melrose
    • 1
  1. 1.School of PhysicsUniversity of SydneySydneyAustralia

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