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Journal Article

Collective excitations in open-shell metal clusters: The time-dependent local-density approximation applied to the self-consistent spheroidal jellium particle

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Ekardt,  Walter
Physical Chemistry, Fritz Haber Institute, Max Planck Society;

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Penzar,  Z.
Fritz Haber Institute, Max Planck Society;

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PhysRevB.43.1322.pdf
(Publisher version), 450KB

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Citation

Ekardt, W., & Penzar, Z. (1991). Collective excitations in open-shell metal clusters: The time-dependent local-density approximation applied to the self-consistent spheroidal jellium particle. Physical Review B, 43(2), 1322-1330. doi:10.1103/PhysRevB.43.1322.


Cite as: https://hdl.handle.net/21.11116/0000-0009-1F14-F
Abstract
The self-consistent and microscopic time-dependent local-density-approximation (TDLDA) formalism for the calculation of the dynamical electronic response properties of open-shell, axially deformed small metal clusters is presented in detail. The model is based on the self-consistent ground-state calculation of the spheroidal jellium model, giving the optimized cluster shape, driven by its open-valence-shell electronic structure. First results on the static and dynamical electronic polarizability of the strongly axially deformed Na10 cluster are reported and compared with the experimental polarizability and photoabsorption cross-section results. The variety of the future applications of the model is outlined, as well as the possible improvement of the formalism.