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- W81511501 abstract "In this diploma thesis, we evaluate the process of laser-assisted bremsstrahlung. In the usual, well-known bremsstrahlung process, an electron scatters off a Coulomb potential and spontaneously emits a photon. Here, the same process is considered, but in the presence of a strong, circularly polarized laser field. The intensities of the lasers we consider here are in the range of 10 W/cm 2 to 10 W/cm 2 so that a fully relativistic description is necessary. Consequently, we use a quantum-electrodynamical approach. In our formalism, we take the laser field into account by using the solutions of the Dirac equation coupled to an external field – the so-called Volkov solutions. Apart from the theoretical derivation of the laser-dressed bremsstrahlung cross section, the numerical evaluation of the resulting expression with the help of a self-written Fortran 90 programme is an essential part of the thesis at hand. One of the main results is that the cross section shows resonances at – depending on the scattering geometry – integer multiples of the laser frequency. In other words, we have higher harmonic generation in the bremsstrahlung process." @default.
- W81511501 created "2016-06-24" @default.
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- W81511501 date "2006-10-16" @default.
- W81511501 modified "2023-09-27" @default.
- W81511501 title "Bremsstrahlung in a Circularly Polarized Laser Field" @default.
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- W81511501 hasPublicationYear "2006" @default.
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