Publisher： IOP Publishing
E-ISSN： 1361-6455|48|18|185102-185109
ISSN： 0953-4075
Source： Journal of Physics B: Atomic, Molecular and Optical Physics, Vol.48, Iss.18, 2015-09, pp. : 185102-185109
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Abstract
We study the collective electron dynamics in C60 clusters within the time dependent Thomas Fermi method in the frame of jellium model. The results regarding the optical spectrum are in good agreement with the experimental data, our simulations being able to reproduce both resonances from &$20;{eV}$; and &$40;{eV}$;. We compare also, the results with those from other theoretical approaches and investigate the implications of quantum effects including exchange-correlation corrections, or gradient corrections from a Weizsacker term. The nature of the second resonance is studied using transition densities.
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