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Bonn 2000 – wissenschaftliches Programm

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A: Atomphysik

A 7: Atome in äußeren Feldern

A 7.5: Vortrag

Dienstag, 4. April 2000, 15:00–15:15, HS II

Tunneling in static electric and magnetic fields — •Tobias Kramer, Christian Bracher, and Manfred Kleber — Institut für Theoretische Physik T30, Physik-Department der Technischen Universität München, James-Franck-Str., D-85747 Garching

We derive and discuss the energy dependent propagator (Green function) for hamiltonians quadratic in the canonical operators. Tunneling of electrons out of a bound state into electric and magnetic fields is an important application. We predict the current density distribution of the photodetachment microscope (see [1] for an experiment) in the presence of a magnetic field.

[1] C. Blondel et al., Eur.Phys.J. D5, 207 (1999)

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