Spatial Electron Transitions in a Hydrogen-Like Atom with Photon Emission

E. J. Betinis

V. I. Matveev

Electron transitions and emission of an atom interacting with a spatially inhomogeneous ultrashort electromagnetic pulse are considered. The excitation and ionization probabilities are obtained as well as the spectra and cross sections of the reemission of such a pulse by atoms. By way of an example, one-and two-electron inelastic processes accompanying the interaction of ultrashort pulses with hydrogen-and helium-like atoms are considered. The developed technique makes it possible to take into account exactly the spatial non-uniformity of the ultrashort pulse field and photon momenta in the course of reemission.

В. В. Скобелев

Valentine P. Oleinik, M. M. Chumachkova

В. В. Скобелев

For the first time, electron transitions in a hydrogen-like atom with a change in spatial dimension D = 3® D ¢ = 1, 2 and energy of its state, accompanied by photon radiation, are considered. Similar "conversions" for some atoms were observed experimentally, but there was no theoretical explanation for this effect. Calculations were carried out in parabolic coordinates, as a result of which this approach is also of methodological interest, since these coordinates are rarely used in the literature.

Stanisław Olszewski