NDLI: Coherent correlation enhancement of outer shell photoionization cross sections of alkali-like ions

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Coherent correlation enhancement of outer shell photoionization cross sections of alkali-like ions

Content Provider	Scilit
Author	Amusia, M. Ya Avdonina, N. B. Pratt, R. H.
Copyright Year	1994
Description	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics An alkali-like ion interaction with inner electrons of an alkali-like ion leads to a significant increase in the photoionization cross section of the outer s electron. This occurs not only for ground state ions with one s electron in the outer shell, but also when the outer s electron is in an excited state. The reason for this amplification, in addition to coherent enhancement in summing of the correlation amplitudes, is that the zero in the direct amplitude occurs below threshold. This leads to a constructive interference with the correlation amplitude above the photoionization threshold, in contrast to a destructive interference in the case of a neutral atom with the same electronic configuration, for which the zero occurs above threshold.
Related Links	http://iopscience.iop.org/article/10.1088/0953-4075/27/21/014/pdf
Ending Page	5219
Page Count	9
Starting Page	5211
ISSN	09534075
e-ISSN	13616455
DOI	10.1088/0953-4075/27/21/014
Journal	Journal of Physics B: Atomic, Molecular and Optical Physics
Issue Number	21
Volume Number	27
Language	English
Publisher	IOP Publishing
Publisher Date	1994-11-14
Access Restriction	Open
Subject Keyword	Journal: Journal of Physics B: Atomic, Molecular and Optical Physics Atomic, Molecular and Chemical Physics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Condensed Matter Physics

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