Abstract
The influence of the laser field on the dynamics of (e, 2e) process of Li+ ion by electron / positron impact is studied for coplanar geometry with laser polarization parallel to the incident momentum. The laser dressed projectile wavefunctions are chosen as Coulomb Volkov (CV) while for ejected electron, modified CV is considered. The target dressing is constructed using the time dependent perturbation theory. Laser field suppresses the FF cross-sections significantly for single photon exchange while for multiple photon exchanges the cross-sections are enhanced. TDCS is quite sensitive with respect to the initial phase of the laser field.
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