Document Type

Article

Publication Date

2000

Publication Title

Physical Review A - Atomic, Molecular, and Optical Physics

Volume

61

Issue

3

First Page

033405-1

Last Page

033405-4

Abstract

Through an exact solution of the time-dependent Schrödinger equation for an electron in a static electric field plus the time-dependent electric field of the detaching radiation, the photodetachment cross section of H - is calculated. Careful attention is paid to ensuring proper limiting behavior as the frequency of the time-dependent field goes to zero. We do not find observable effects of a cross term between the two fields on the detachment cross section. Our results point to possible gauge dependence and other difficulties of S-matrix formulations of multiphoton detachment and ionization.

Comments

This article was first published in Physical Review A, Vol. 61 Iss. 3, 2000. Copyright (2012) American Physical Society (APS). It can be found here.

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