Electron density and positron trapping at a vacancy |
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| Authors: | J. Arponen P. Hautojärvi R. Nieminen E. Pajanne |
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| Affiliation: | Department of Technical Physics, Helsinki University of Technology, SF-02150 Otaniemi, Finland;A. Ahlström Oy Karhulan Tehtaat, SF-48600 Karhula, Finland |
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| Abstract: | The redistribution of valence electrons at a vacancy in aluminium is calculated in the Thomas-Fermi approximation. This result is then used in evaluating the annihilation characteristics of positrons trapped at vacancies. A good agreement with experiments is established. |
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