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International Journal of Theoretical Physics

Nonstationary quantum mechanics. V. Nonstationary quantum models of scattering

Nickola Stefanov Todorov

Published May 1, 1981• 0 citations
Publisher
DOI
10.1007/bf00669525

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Physical Review A•Aug 1, 1998•4 citations
Potential scattering of free-electron wave packets is considered in the framework of the nonstationary quantum-mechanical theory. To characterize the efficiency of this process, the average angle of scattering is calculated in the lowest (first and second) orders of perturbation theory in the potential. In the approximation of a well-localized, narrow, and nonspreading wave packet, the first-order term is shown to agree with the classical angle of scattering, linear in the potential. This term is shown to vanish at a very large size of the initial wave packet (much larger than the size of a target). An analogy between the potential scattering of wave packets and electron-light ponderomotive scattering is discussed.