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Title:
Closed-orbit theory of oscillations in atomic photoabsorption cross sections in a strong electric field. II. Derivation of formulas
Authors:
Gao, J.; Delos, J. B.
Affiliation:
AA(Physics Department, College of William and Mary, Williamsburg, Virginia 23187), AB(Physics Department, College of William and Mary, Williamsburg, Virginia 23187)
Publication:
Physical Review A (Atomic, Molecular, and Optical Physics), Volume 46, Issue 3, August 1, 1992, pp.1455-1467 (PhRvA Homepage)
Publication Date:
08/1992
Origin:
AIP; APS
PACS Keywords:
Zeeman and Stark effects, Atomic scattering cross sections and form factors, Compton scattering, Photoionization of atoms and ions
DOI:
10.1103/PhysRevA.46.1455
Bibliographic Code:
1992PhRvA..46.1455G

Abstract

A formula for photoabsorption cross sections of hydrogen and alkali-metal atoms in a static electric field is derived, based on the closed-orbit theory previously used to study hydrogen in a magnetic field. Electric fields are simpler than magnetic fields, because the classical motion is regular and closed orbits can be enumerated. In alkali metals the core modifies the relevant dipole matrix elements, and it produces additional phase shifts.
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Database: Astronomy
Physics
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