Abstract
A nonperturbative theory was recently developed to describe electron-atom scattering in high-frequency laser fields.1 It applies at frequencies already available from excimer lasers in the VUV but extends beyond into the x-ray range. It was shown1 that, for monochromatic radiation, in the high-frequency limit the time-dependent Schrodinger equation describing the scattering reduces to a time-independent Schrodinger equation containing a dressed potential V0(α0. r). where α0 = I1/2ω-2 a.u. (I = intensity, ω = frequency). Consequently, in this limit only elastic scattering can occur (multiphoton free-free transitions are quenched).
© 1987 Optical Society of America
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