Volume 56, Number 4, November 2001
|Page(s)||471 - 477|
|Published online||01 December 2003|
Four-path interference and uncertainty principle in photodetachment microscopy
Physik-Department T30, Technische Universität München
James-Franck-Straße, 85747 Garching, Germany
Corresponding author: firstname.lastname@example.org
Accepted: 22 August 2001
We study the quantal motion of electrons emitted by a pointlike monochromatic isotropic source into parallel uniform electric and magnetic fields. The two-path interference pattern in the emerging electron wave due to the electric force is modified by the magnetic lens effect which periodically focuses the beam into narrow filaments along the symmetry axis. There, four classical paths interfere. With increasing electron energy, the current distribution changes from a quantum regime governed by the uncertainty principle, to an intricate spatial pattern that yields to a semiclassical analysis.
PACS: 03.65.Sq – Semiclassical theories and applications / 03.75.-b – Matter waves / 32.80.Gc – Photodetachment of atomic negative ions
© EDP Sciences, 2001
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