Electron-Phonon Coupling in Charged Buckminsterfullerene

Details Electron-Phonon Coupling in Charged Buckminsterfullerene Electron-Phonon Coupling in Charged Buckminsterfullerene

1998-01-20

arxiv.org/abs/cond-mat/9801197v1

Physics

Condensed Matter

11 pages, 3 figures. Accepted for publication in Chem. Phys. Lett

Scientific paper

10.1016/S0009-2614(98)00131-6

A simple, yet accurate solution of the electron-phonon coupling problem in C_{60} is presented. The basic idea behind it is to be found in the parametrization of the ground state electronic density of the system calculated making use of ab-initio methods, in term of sp$^{2+x}$ hybridized orbitals. This parametrization allows for an economic determination of the deformation potential associated with the fullerene's normal modes. The resulting electron-phonon coupling constants are used to calculate Jahn-Teller effects in C_{60}^-, and multiple satellite peaks in the corresponding photoemission reaction. Theory provides an accurate account of the experimental findings.

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