Document Type

Article

Department/Program

Physics

Journal Title

Physical Review A

Pub Date

6-2006

Publisher

American Physical Society

Volume

73

Issue

6

Abstract

We examine the spatial distribution of electrons generated by a fixed energy point source in uniform, parallel electric, and magnetic fields. This problem is simple enough to permit analytic quantum and semiclassical solution, and it harbors a rich set of features which find their interpretation in the unusual and interesting properties of the classical motion of the electrons: For instance, the number of interfering trajectories can be adjusted in this system, and the turning surfaces of classical motion contain a complex array of singularities. We perform a comprehensive analysis of the semiclassical approximation and compare it to the quantum solution, and we make predictions that should serve as a guide for future photodetachment experiments.

DOI

https://doi.org/10.1103/PhysRevA.73.062114

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