Photoabsorption of Nonhydrogenic Rydberg Atoms in a Magnetic Field: Effects of Core-Scattered Classical Orbits

Bruno Hüpper, Jörg Main, and Günter Wunner
Phys. Rev. Lett. 74, 2650 – Published 3 April 1995
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Abstract

The physics of multielectron atoms in strong external fields is substantially more complex than that of hydrogen. In particular, puzzling new resonances were recently observed in experimental photoabsorption spectra of diamagnetic helium and in quantum mechanical calculations of diamagnetic Rydberg atoms. We compute spectra in the framework of periodic-orbit theory and show that the new resonances can be quantitatively explained by different classes of core-scattered classical orbits.

  • Received 8 November 1994

DOI:https://doi.org/10.1103/PhysRevLett.74.2650

©1995 American Physical Society

Authors & Affiliations

Bruno Hüpper, Jörg Main, and Günter Wunner

  • Theoretische Physik I, Ruhr-Universität Bochum, D-44780 Bochum, Germany

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Vol. 74, Iss. 14 — 3 April 1995

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