Electron Scattering in Intense Laser Fields

Dear Colleagues,

Electron scattering from ions, atoms and molecules in the presence of intense laser fields involve such processes as stimulated Bremsstrahlung and inverse-Bremsstrahlung, with emission and absorption of one or many photons, along with elastic, inelastic, as well as off-shell transitions in the target systems, which can be either assisted or induced (or both) by the laser field.  Besides their intrinsic interest, these processes are of importance in applicational research, such as, modelling the fully, or partially ionised laser-plasmas. Study of electron collisions in the presence of intense fields could be also of astrophysical interest, for example, in connection with radiative processes that can occur in the vicinity of galactic electromagnetic radiation sources. Another prospect of electron scattering in the presence of a laser field is the imaging of fast electronic motions in atomic and molecular systems. This possibility has arisen as a consequence of the development of ultrashort (including, atto second) laser pulses in the laboratory as well as the generation of coherent electron pulses by ionisation of atoms by the ultra-short laser pulses. This development could complement the traditional electron diffraction methods for determining the static structures by their extension to dynamical imaging by the pump-probe technique, in which the duration of the electron-pulse and the laser-pulse, and the delay between them, can all be varied independently, as well as, the laser-pulse could be employed prior to or subsequently with the electron-pulse. Such techniques could be used, for example, to determine the dynamic variation of the electronic structure in real time of a superposition state in the target system, that could be induced deliberately. This Special Issue of Atoms shall contain original research reports and a set of succinct and up-to-date review articles by the researchers working in the field. They could be either experimental or theoretical, or both, in content. The reviews are envisaged to be of interest not only to the active researchers of the subject but also to the young researches beginning to work in the field, and to more experienced scientists working in a neighbouring, or a different field, but are interested to gain an overview of the subject.

Prof. Dr. Farhad H.M. Faisal
Guest Editor

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