Variationally stable treatment of two- and three-photon detachment of H including electron-correlation effects

Chih-Ray Liu, Bo Gao, and Anthony F. Starace
Phys. Rev. A 46, 5985 – Published 1 November 1992
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Abstract

A variationally stable, adiabatic hyperspherical treatment of two- and three-photon detachment of H is presented. Results are compared with analytic predictions of a zero-range potential model of H. Detailed comparisions are made also with other theoretical results which include the effects of electron correlations. We predict analytically (and demonstrate numerically) an extreme sensitivity of the theoretical predictions to any errors in the value of the electron affinity employed. In an Appendix we show that the low-intensity limit of the Keldysh treatment [Sov. Phys. JETP 20, 1307 (1965)] of detachment of an electron bound in a zero-range potential agrees with the results of a perturbative treatment.

  • Received 27 April 1992

DOI:https://doi.org/10.1103/PhysRevA.46.5985

©1992 American Physical Society

Authors & Affiliations

Chih-Ray Liu

  • Department of Physics and Astronomy, The Univeristy of Nebraska–Lincoln, Lincoln, Nebraska 68588-0111

Bo Gao and Anthony F. Starace

  • Joint Institute for Laboratory Astrophysics, University of Colorado National Institute of Standards and Technology, Boulder, Colorado 80309-0440

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Vol. 46, Iss. 9 — November 1992

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