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Phys. Rev. A 58, R3383–R3386 (1998)

Mesoscopic motion of atomic ions in magnetic fields

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David M. Leitner*
Department of Chemistry, University of Illinois at Urbana–Champaign, Urbana, Illinois 61801

P. Schmelcher
Theoretische Chemie, Physikalisch-Chemisches Institut, Universität Heidelberg, Im Neuenheimer Feld 253, 69120 Heidelberg, Germany

Received 14 August 1998; published in the issue dated November 1998

We introduce a semiclassical model for highly excited atomic ions moving in a magnetic field, which allows us to describe the mixing of the Landau orbitals of the center of mass in terms of the electronic excitation and magnetic field. The extent of quantum energy flow in the ion is investigated and a crossover from localization to delocalization with increasing center of mass energy is detected. Our model of the moving ion in a magnetic field turns out to be closely connected to models for transport in disordered finite-size wires.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.58.R3383
DOI:
10.1103/PhysRevA.58.R3383
PACS:
32.60.+i, 05.45.+b, 32.30.-r

*Present address: UCSD Department of Chemistry and Biochemistry, La Jolla, CA 92093-0339.

 
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