Document Type

Article

Department/Program

Physics

Journal Title

Physical Review A

Pub Date

4-1993

Publisher

American Physical Society

Volume

47

Issue

4

First Page

3020

Abstract

In this, the first of two papers, we obtain a simple analytic formula for the photodetachment cross section of H− in crossed electric and magnetic fields. The three-dimensional semiclassical approximation predicts oscillations in the spectrum and these oscillations are correlated with closed classical orbits. In the following paper [A. D. Peters and J. B. Delos, Phys. Rev. A 47, 3036 (1993)] we derive fully-quantum-mechanical formulas for the cross section in perpendicular electric and magnetic fields and show how these results can be reduced to the semiclassical results of this paper.

DOI

https://doi.org/10.1103/PhysRevA.47.3020

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