Theory of deep minima in (e,2e) measurements of triply differential cross sections

Deep minima in He(e,2e)He+ triply differential cross sections are traced to vortices in atomic wave functions. Such vortices have been predicted earlier, but the present calculations show that they have also been observed experimentally, although not recognized as vortices. Their observation in (e,2...

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Bibliographic Details
Published in:Physical review letters 2010-01, Vol.104 (3), p.033201-033201, Article 033201
Main Authors: Macek, J H, Sternberg, J B, Ovchinnikov, S Y, Briggs, J S
Format: Article
Language:English
Subjects:
ANGULAR MOMENTUM
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
DIFFERENTIAL CROSS SECTIONS
ELECTRON CORRELATION
ELECTRONS
IONIZATION
VORTICES
WAVE FUNCTIONS
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Summary:Deep minima in He(e,2e)He+ triply differential cross sections are traced to vortices in atomic wave functions. Such vortices have been predicted earlier, but the present calculations show that they have also been observed experimentally, although not recognized as vortices. Their observation in (e,2e) measurements shows that vortices play an important role in electron correlations related to the transfer of angular momentum between incident and ejected electrons. The vortices significantly extend the list of known features that summarize the general picture of electron correlations in impact ionization.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.104.033201