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Electron Dynamics in Parallel Electric and Magnetic Fields
Bracher, Christian Kramer, Tobias Delos, John B.
Bracher, Christian
Kramer, Tobias
Delos, John B.
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.
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2006-06-01
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American Physical Society
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Physics
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https://doi.org/10.1103/PhysRevA.73.062114