Can optical spectroscopy directly elucidate the ground state of C<sub>20</sub>?

Journal of Chemical Physics 116, 1930 - 1934 (2002)

Can optical spectroscopy directly elucidate the ground state of C20?

A. Castro, M.A.L. Marques, J.A Alonso, G.F. Bertsch, K. Yabana, A. Rubio

The optical response of the lowest energy isomers of the C20 family is calculated using time-dependent density functional theory within a real-space, real-time scheme. Significant differences are found among the spectra of the different isomers, and thus we propose optical spectroscopy as a tool for experimental investigation of the structure of these important clusters.

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http://dx.doi.org/10.1063/1.1430737