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Semiclassical Cycle Expansion for the Helium Atom

Ezra, G., Richter, Klaus, Tanner, G. and Wintgen, D. (1991) Semiclassical Cycle Expansion for the Helium Atom. Journal of Physics B 24, L413-L419.

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Date of publication of this fulltext: 05 Aug 2009 13:29

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Other URL: http://stacks.iop.org/0953-4075/24/L413


The authors analyse the classical dynamics of near-collinear electron configurations in helium. The dynamics turns out to be fully chaotic. An application of periodic orbit quantization techniques yields the energy of doubly excited states with high accuracy. The analysis shows that near-collinear intra-shell resonances are associated with an asymmetric stretch like motion of the electron pair rather than the symmetric stretch motion along the Wannier ridge.

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Item type:Article
Institutions:Physics > Institute of Theroretical Physics > Chair Professor Richter > Group Klaus Richter
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Dewey Decimal Classification:500 Science > 530 Physics
Refereed:Yes, this version has been refereed
Created at the University of Regensburg:No
Item ID:1418
Owner only: item control page


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