Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5496172 | Physics Letters A | 2017 | 13 Pages |
Abstract
It is shown that for sufficiently short pulses the resonance scattering probability becomes a nonlinear function of the pulse duration. For fs X-ray pulses scattered on atoms in plasmas maxima and minima develop in the nonlinear regime whereas in the limit of long pulses the probability becomes linear and turns over into the standard description of the electromagnetic pulse scattering. Numerical calculations are carried out in terms of a generalized scattering probability for the total time of pulse duration including fine structure splitting and ion Doppler broadening in hot plasmas. For projected X-ray monocycles, the generalized nonlinear approach differs by 1-2 orders of magnitude from the standard theory.
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Authors
F.B. Rosmej, V.A. Astapenko, V.S. Lisitsa, N.N. Moroz,