Optical potentials in time-dependent quantum systems
- 28 December 1988
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 21 (24) , 4131-4141
- https://doi.org/10.1088/0953-4075/21/24/013
Abstract
The authors present a Feshbach projector formalism for the solution of the time-dependent Schrodinger equation leading to a finite set of coupled-channel equations with complex potentials. The derivation of non-perturbative optical potentials is based on the assumption that successive interactions occur instantaneously rather than with a time delay. This so-called local approximation is investigated in some detail on three successive levels, with special emphasis on the tractability of the matrix elements involved.Keywords
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