Український математичний конгрес  2009
Людмила Никола (Одесский государственный экологический университет, Одесса, Украина) Advanced Smatrix formalism in the Auger spectra theory A novel approach to the Auger decay characteristics for complex atomic systems is proposed and based on the Smatrix formalism by GellMann and Low and QED perturbation theory [1]. As application its adaptation to studying Auger decay characteristics for atoms and solids is presented [2]. The novel element consists in an using the optimal basis of the electron state functions derived from the condition that the calibrationnoninvariant contribution of the second order polarization diagrams to the imaginary part of the multielectron system energy is minimized already at the first nondisappearing approximation of the perturbation theory. 1. Glushkov A.V., Relativistic and correlation effects in spectra of atomic systems, Odessa, Astroprint, 2006. 450 P.
