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arXiv · 0904.4855

Fast electron generation by Coulomb scattering on spatially correlated ions in a strong laser field

S. Bauch·M. Bonitz
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Abstract

Electrons colliding with spatially fixed ions in strong laser fields are investigated by solving the time-dependent Schrödinger equation. Considering first simple one-dimensional model systems, the mechanisms and energy spectra of fast electrons are analyzed, starting from collisions on a single ion. By using these electrons as projectiles for a second and third collision, the maximum possible energy obtained can be significantly increased. We then generalize the analysis to 2D systems where additional angular degrees of freedom lead to a drastic loss of efficiency. This problem can be overcome by introducing external confinements, which allow to focus the electrons and increase the intensity of high-energy electrons.

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S. Bauch, M. Bonitz. 2009-04-30. Fast electron generation by Coulomb scattering on spatially correlated ions in a strong laser field. https://doi.org/10.1002/ctpp.200910056

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