Title

Evolution operators and wave functions in a time-dependent electric field

Document Type

Article

Publication Date

11-11-1996

Abstract

A general construction of evolution operators that reduce to proper static limits is developed, and ambiguities in interpreting solutions of the time-dependent Schrödinger equation for electrons in a classical electromagnetic field examined. An apparent energy shift of an electron in the nonrelativistic Volkov solution is shown to be nonunique and hence unobservable.

Publication Source (Journal or Book title)

Physics Letters, Section A: General, Atomic and Solid State Physics

First Page

304

Last Page

308

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