Electron dynamics in parallel electric and magnetic fields

Details Electron dynamics in parallel electric and magnetic fields Electron dynamics in parallel electric and magnetic fields

2005-10-13

arxiv.org/abs/quant-ph/0510100v1

Phys. Rev. A 73, 062114 (2006)

Physics

Quantum Physics

24 pages,12 figures

Scientific paper

10.1103/PhysRevA.73.062114

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 both the semiclassical approximation and the quantum solution, and we make predictions that should serve as a guide for future photodetachment experiments.

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