Ericson fluctuations in the chaotic ionization of the hydrogen atom in crossed magnetic and electric fields

Jörg Main and Günter Wunner
Phys. Rev. Lett. 69, 586 – Published 27 July 1992
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Abstract

We report exact quantum calculations for the hydrogen atom in crossed magnetic and electric fields. Employing the complex-coordinate-rotation method we are able to extend the calculations of eigenstates far into the continuum region. Calculated photoionization cross sections are found to exhibit strong Ericson fluctuations, a characteristic feature of chaotic scattering. This interpretation is supported by classical trajectory calculations which reveal a fractal dependence of the classical ionization time on the initial conditions.

  • Received 11 February 1992

DOI:https://doi.org/10.1103/PhysRevLett.69.586

©1992 American Physical Society

Authors & Affiliations

Jörg Main and Günter Wunner

  • Theoretische Physik I, Ruhr-Universität Bochum, 4630 Bochum 1, Germany

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Vol. 69, Iss. 4 — 27 July 1992

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