Density-functional theory of positronium and electron bubbles in helium fluids

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Volume Title
A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
Date
1980-05-01
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Language
en
Pages
10
1677-1686
Series
Physical Review A, Volume 21, issue 5
Abstract
The density-functional method is applied to excess electrons and positronium atoms in helium fluids. The self-trapping is investigated in a fully self-consistent fashion, and formulas are given for the particle energy and Ps pick-off annihilation rate in quasifree as well as localized states. The numerical results compare well with experimental data. However, the need for a more sophisticated treatment of threshold effects near the onset of bubble formation is indicated.
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Nieminen , R M , Välimaa , I , Manninen , M & Hautojärvi , P 1980 , ' Density-functional theory of positronium and electron bubbles in helium fluids ' , Physical Review A , vol. 21 , no. 5 , pp. 1677-1686 . https://doi.org/10.1103/PhysRevA.21.1677