Collective plasmon excitations in C60 clusters

Details Collective plasmon excitations in C60 clusters Collective plasmon excitations in C60 clusters

Nov 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991phrvl..67.2690b&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 67, Nov. 4, 1991, p. 2690-2693.

Other

177

Buckminsterfullerene, Molecular Excitation, Plasmons, Clusters, Electromagnetic Interactions, Mie Scattering, Resonance

Scientific paper

The electromagnetic response function of a C60 cluster is calculated using linear-response theory. The valence electrons are quite delocalized and show collective excitations. In the low-energy part of the excitation spectrum, the lowest allowed transition at about 3 eV is strongly screened, and the other transitions below 6 eV are moderately screened, in agreement with experiment. A giant collective resonance is predicted at an unusually high energy of about 20 eV.

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