Electronic interactions in fullerene spheres

Abstract

The electron-phonon and Coulomb interactions inC${}_{60}$, and larger fullerene spheres are analyzed. The coupling between electrons and intramolecular vibrations give corrections $\sim 1-10$ meV to the electronic energies for C${}_{60}$, and scales as $R^{-4}$ in larger molecules. The energies associated with electrostatic interactions are of order $\sim 1-4$ eV, in C${}_{60}$ and scale as $R^{-1}$. Charged fullerenes show enhanced electron-phonon coupling, $\sim 10$ meV, which scales as $R^{-2}$. Finally, it is argued that non only C${}_{60}^{-}$, but also C${}_{60}^{--}$ are highly polarizable molecules. The polarizabilities scale as $R^3$ and $R^4$, respectively. The role of this large polarizability in mediating intermolecular interactions is also discussed.

12 pages. No figures

Cited by in corpus (5)

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