Testing numerical implementations of strong-field electrodynamics
- 13 January 2015
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 91 (1) , 013822
Abstract
We test current numerical implementations of laser-matter interactions by comparison with exact analytical results. Focusing 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 (multiphoton) effects. We find that this discrepancy originates in the use of the locally constant field approximation.Keywords
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Funding Information
- Engineering and Physical Sciences Research Council (EP/I029206/1–YOTTA,)
- Vetenskapsrådet (2011-4221)
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