We review the development of the time-dependent close-coupling method to study atomic and molecular few body dynamics. Applications include electron and photon collisions with atoms, molecules, and their ions.

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Large dynamic spin polarization parameters have been calculated for at least three out of four lines which form the diagram L3M1M4,5 Auger spectra of the alkaline earth metals strontium, barium and radium, the transition metals palladium, zinc, cadmium and mercury, the rare gases krypton, xenon and radon, the lanthanide ytterbium as well as the actinide nobelium. The large values are primarily caused by the large phase shifts between the εp and εf partial waves of the emitted Auger electron which reduce the partial wave expansion of the dynamic spin polarization parameter to a sum of two or three dominant terms, only. Due to this, the possibility of a cancellation among the terms considerably decreases and, therefore, the entirely large values of the dynamic spin polarization parameters become understandable.