Feynman disentangling method and group theory

Abstract

The subject of this work is to apply the modified Feynman disentangling approach to a problem of transitions in a non-quadratic quantum-mechanical system: a singular oscillator with a time-dependent frequency.

Comments: 4 pages, LaTeX2e. To be published in the Proceedings of the XIII International Conference "Selected problems of modern theoretical physics", Dubna, Russia, June 2008