Abstract
Electron-atom potential scattering assisted by a bichromatic (two-component) elliptically polarized laser field is analyzed in the frame of the S-matrix theory. The second Born approximation is applied in the expansion of the S-matrix element. The first term in the expansion corresponds to the single scattering, while the second term in the expansion corresponds to the double scattering of electrons on atomic targets. The double scattering is possible in the presence of a laser field. The electron that has scattered on an atomic target may be driven back by the laser field and scatter again on the same atom. The double-scattered electrons may have considerably higher energies than those that scattered only once. We have investigated the dependence of the energy spectrum on various laser-field and incident electron parameters. The calculated electron energy spectra show the plateau-like structures with abrupt cutoffs. These cutoffs are explained by a classical analysis.
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Korajac, A., Habibović, D., Čerkić, A. et al. Electron-atom potential scattering assisted by a bichromatic elliptically polarized laser field. Eur. Phys. J. D 71, 251 (2017). https://doi.org/10.1140/epjd/e2017-80405-2
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DOI: https://doi.org/10.1140/epjd/e2017-80405-2