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Article Dans Une Revue Journal of Physics B: Atomic, Molecular and Optical Physics Année : 2011

Wavelength and intensity dependence of multiple forward scattering of electrons at above-threshold ionization in mid-infrared strong laser fields

Résumé

The contribution of multiple forward scattering in Coulomb focusing of low-energy photoelectrons at above-threshold ionization in mid-infrared laser fields is investigated. It is shown that the high-order forward scattering can have a nonperturbative effect in Coulomb focusing. The effective number of rescattering events is defined and is shown to depend weakly on laser intensity and wavelength. Nevertheless, the relative contribution of forward scattering in Coulomb focusing and the Coulomb focusing in total decrease with increasing laser intensity and wavelength.

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Dates et versions

hal-00614646 , version 1 (14-08-2011)

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Chengpu Liu, Karen Z Hatsagortsyan. Wavelength and intensity dependence of multiple forward scattering of electrons at above-threshold ionization in mid-infrared strong laser fields. Journal of Physics B: Atomic, Molecular and Optical Physics, 2011, 44 (9), pp.95402. ⟨10.1088/0953-4075/44/9/095402⟩. ⟨hal-00614646⟩

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