Abstract
We are involved in a program aimed at a first-principles examination of the possibility of helium bubble formation in solid hydrogen. Our procedure is based on an extension of the Hartree-Fock cluster approach that we have been using for study of individual He+ ions in solid hydrogen. The preliminary results of our cluster investigations of a particular configuration of two He+ ions in neighboring tetrahedral interstitial positions are presented here. It has been found that the hydrogen molecules common to the two He+ ions lead to a substantial attractive force between the ions that almost overcomes their inherent repulsion, leading to a binding energy for this configuration only slightly less than the binding energy for two well separated trapped He+ ions. The analysis of our results have suggested future investigations of different pairs of trapping sites which appear to be more favorable for providing higher binding energies for the He+ pairs.
Original language | English |
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Pages (from-to) | 431-434 |
Number of pages | 4 |
Journal | Hyperfine Interactions |
Volume | 138 |
Issue number | 1-4 |
DOIs | |
Publication status | Published - 2001 Dec 1 |
Externally published | Yes |
Keywords
- Bubble formation
- He in solid hydrogen
- Muon catalyzed fusion
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics
- Nuclear and High Energy Physics
- Condensed Matter Physics
- Physical and Theoretical Chemistry