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Phys. Rev. B 52, R17056 - R17059 (1995)

Nonlinear plasmon response in highly excited metallic clusters

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F. Calvayrac
Laboratoire de Physique Quantique, Université Paul Sabatier, 118 route de Narbonne, F-31062 Toulouse Cedex, France

P. G. Reinhard
Institut für Theoretische Physik, Universität Erlangen, Staudtstrasse 7, D-91077 Erlangen, Germany

E. Suraud
Institut Universitaire de France et Laboratoire de Physique Quantique, Université Paul Sabatier, 111 route de Narbonne, F-31062 Toulouse Cedex, France

Rapid Communication Received 26 October 1995

We present a dynamical study of the electron response of metallic clusters in the nonlinear regime, as excited, e.g., in ion-cluster interactions or with intense laser beams. We use a quantal time-dependent local-density approximation in axial symmetry to describe the electron dynamics. Ions are either treated in a jellium approximation or explicitly. We find different dynamical regimes depending on the symmetries of the ionic background.


©1995 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevB.52.R17056
DOI: 10.1103/PhysRevB.52.R17056
PACS: 33.40.+f, 36.40.Gk

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