Time dependent density functional calculation of plasmon response in clusters
Wang Feng (王锋)a, Zhang Feng-Shou (张丰收)b, Eric Suraudc
a Center for Atomic and Molecular Nanoscience, Tsinghua University, Beijing 100084, China; b Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China; c Laboratoire de Physique Quantique, Université Paul Sabatier, 118 route de Narbonne, 31062 Toulouse Cedex, France
Abstract We have introduced a theoretical scheme for the efficient description of the optical response of a cluster based on the time-dependent density functional theory. The practical implementation is done by means of the fully fledged time-dependent local density approximation scheme, which is solved directly in the time domain without any linearization. As an example we consider the simple Na2 cluster and compute its surface plasmon photoabsorption cross section, which is in good agreement with the experiments.
Received: 02 May 2002
Revised: 14 October 2002
Accepted manuscript online:
(Collective excitations (including excitons, polarons, plasmons and other charge-density excitations))
Cite this article:
Wang Feng (王锋), Zhang Feng-Shou (张丰收), Eric Suraud Time dependent density functional calculation of plasmon response in clusters 2003 Chinese Physics 12 164
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