Jahn-Teller distortion and correlation effects in fullerene molecule

Electron-correlation effects in fullerene molecule are investigated in the framework of the Hubbard-Peierls model using the Gutzwiller approximate method. The influence of these effects on lattice distortions and pairing is studied. It is shown that the strongest pair-binding is realized for non-int...

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Bibliographic Details
Published in:Synthetic metals 1997-02, Vol.86 (1), p.2403-2404
Main Authors: Krivnov, V.Ya, Shamovsky, I.L., Tornau, E.E., Rosengren, A.
Format: Article
Language:English
Subjects:
Fullerenes and derivatives
many body theories
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Summary:Electron-correlation effects in fullerene molecule are investigated in the framework of the Hubbard-Peierls model using the Gutzwiller approximate method. The influence of these effects on lattice distortions and pairing is studied. It is shown that the strongest pair-binding is realized for non-interacting case. Electron-electron interactions suppress the tendency to Jahn-Teller distortion and destroy the pairing. Our results provide strong evidence for the importance of Jahn-Teller distortion in the pairing mechanism of superconductivity in alkali-doped C 60.
ISSN:0379-6779
1879-3290
DOI:10.1016/S0379-6779(97)81179-4