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Proceedings Paper

Autoionizing Rydberg series in photoionization cross section of alkali atoms
Author(s): Michael A. Kulov; Natalia O. Vasetskaya; Vadim K. Ivanov
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Paper Abstract

New results of many electron calculations of outer np6 shell photoionization cross section for neutral potassium, rubidium and caesium are presented. The special interest is devoted to autoionizing ns → (n+1)p resonances. The resonance structure associated with excitation of autoionizing states has been studied. Interelectron correlations are shown to play a crucial role describing the resonance parameters. The correlations are taken into account by means of the Random Phase Approximation with Exchange (RPAE) and the Many Body Perturbation Theory (MBPT). The differences in behavior of electrons with opposite spin projections are traced.

Paper Details

Date Published: 29 April 2005
PDF: 4 pages
Proc. SPIE 5831, Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (29 April 2005); doi: 10.1117/12.619501
Show Author Affiliations
Michael A. Kulov, St. Petersburg State Polytechnical Univ. (Russia)
Natalia O. Vasetskaya, St. Petersburg State Polytechnical Univ. (Russia)
Vadim K. Ivanov, St. Petersburg State Polytechnical Univ. (Russia)


Published in SPIE Proceedings Vol. 5831:
Eighth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering
Alexander I. Melker, Editor(s)

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