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Phys. Rev. B 51, 14686 - 14692 (1995)

Width of the plasmon resonance in metal clusters

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B. Montag and P.-G. Reinhard
Institut für Theoretische Physik, Universität Erlangen, Staudtstrasse 7, D-91058 Erlangen, Germany

Received 21 February 1995

The width of the plasmon resonance in the clusters Na9+, Na21+, and Na41+ is investigated in the framework of the structure-averaged jellium model and compared with recent experimental data. The two leading mechanisms for the line broadening are fragmentation of the resonance into nearby 1ph states and splitting through thermal quadrupole fluctuations. The fragmentation becomes activated mainly through octupole fluctuations and it gives the dominating contribution to the width.


©1995 The American Physical Society

URL: http://link.aps.org/doi/10.1103/PhysRevB.51.14686
DOI: 10.1103/PhysRevB.51.14686
PACS: 33.70.Jg, 36.40.-c

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