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Title: | Time-dependent density functional calculation of the energy loss of antiprotons colliding with metallic nanoshells |
Authors: | Quijada, Marina; Borisov, Andrei G.; Díez Muiño, Ricardo ![]() |
Keywords: | Electron gas, Fermi gas Density functional theory, local density approximation, gradient and other corrections Electronic structure of nanoscale materials: clusters, nanoparticles, nanotubes, and nanocrystals Interactions of particles and radiation with matter |
Issue Date: | 14-May-2008 |
Publisher: | John Wiley & Sons |
Citation: | Physica Status Solidi (a) 205, 1312 (2008). |
Abstract: | Time-dependent density functional theory is used to study the interaction between antiprotons and metallic nanoshells. The ground state electronic properties of the nanoshell are obtained in the jellium approximation. The energy lost by the antiproton during the collision is calculated and compared to that suffered by antiprotons traveling in metal clusters. The resulting energy loss per unit path length of material in thin nanoshells is larger than the corresponding quantity for clusters. It is shown that the collision process can be interpreted as the antiproton crossing of two nearly bi-dimensional independent metallic systems. |
Description: | 5 pp.-- PACS nrs.: 71.10.Ca, 71.15.Mb, 73.22.-f, 78.70.-g. |
Publisher version (URL): | http://dx.doi.org/10.1002/pssa.200778157 |
URI: | http://hdl.handle.net/10261/7348 |
DOI: | 10.1002/pssa.200778157 |
ISSN: | 0031-8965 |
Appears in Collections: | (CFM) Artículos |
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0806.2364v1.pdf | 132,48 kB | Adobe PDF | ![]() View/Open |
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