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Testing numerical implementations of strong field electrodynamics

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arxiv 1409.6187 v1 pith:QN4UP34Y submitted 2014-09-22 physics.plasm-ph hep-phphysics.comp-ph

C. N. Harvey , A. Ilderton , B. King This is my paper · ORCID
classification physics.plasm-phhep-phphysics.comp-ph
keywords analyticalemissionfieldimplementationsnumericalaccuratelyapproximationcomparison
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We test current numerical implementations of laser-matter interactions by comparison with exact analytical results. Focussing on photon emission processes, it is found that the numerics accurately reproduce analytical emission spectra in all considered regimes, except for the harmonic structures often singled out as the most significant high intensity/multi-photon effects. We find that this discrepancy originates in the use of the locally constant field approximation.

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