Magnetic Bremsstrahlung in an Intense Magnetic Field

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Abstract
A number of astrophysical discoveries and laboratory developments have prompted the need to consider synchrotron emission including effects of radiation reaction and quantum corrections. In this article we first solved the Lorentz-Dirac equation to give the trajectory and radiation spectrum of a relativistic electron at strong radiation damping. The results are presented in forms which can be directly tested in experiments using megagauss magnetic fields as targets for high energy electron beams. The quantum mechanical effects which often intermingle with the classical radiation reaction effects are discussed. A quantum mechanical calculation including the effects of energy damping and quantum fluctuations is presented. The results obtained for a single electron are applied to an ensemble of electrons. The characteristics of the emission spectra are summarized in the final section for various ranges of field intensity and particle energy.

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