Scattering of an ultrashort electromagnetic radiation pulse by an atom in a broad spectral range |
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Authors: | V A Astapenko |
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Institution: | 1.Moscow Institute of Physics and Technology,Dolgoprudnyi, Moscow oblast,Russia |
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Abstract: | The scattering of an ultrashort electromagnetic pulse by atomic particles is described using a consistent quantum-mechanical
approach taking into account excitation of a target and nondipole electromagnetic interaction, which is valid in a broad spectral
range. This approach is applied to the scattering of single- and few-cycle pulses by a multielectron atom and a hydrogen atom.
Scattering spectra are obtained for ultrashort pulses of different durations. The relative contribution of “elastic” scattering
of a single-cycle pulse by a hydrogen atom is studied in the high-frequency limit as a function of the carrier frequency and
scattering angle. |
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Keywords: | |
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