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Dynamic structure factor of gold | | I. G. Gurtubay
; J. M. Pitarke
; I. Campillo
; A. Rubio
; | | Date: |
23 Feb 2001 | | Journal: | Comp. Mater. Sci. 22, 123 (2001) | | Subject: | Materials Science | cond-mat.mtrl-sci | | Abstract: | We have investigated the role of localized {it d} bands in the dynamical response of Au, on the basis of {it ab initio} pseudopotential calculations. The density-response function has been evaluated in the random-phase approximation. For small momenta, we have found a double peak structure in the energy-loss function, which results from the presence of {it d} electrons. These results are in good agreement with the experimentally determined optical response of gold. We also analyze the dependence of the dynamical structure factor on the wave vector {f q}. | | Source: | arXiv, cond-mat/0102433 | | Services: | Forum | Review | PDF | Favorites | |
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