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Strong superconductivity with local Jahn-Teller phonons in C60 solids | | J E Han
; O Gunnarsson
; V H Crespi
; | | Date: |
25 Apr 2003 | | Journal: | Phys Rev Lett, 90 (16), 167006 | | Abstract: | We analyze fulleride superconductivity at experimental doping levels, treating the electron-electron and electron-phonon interactions on an equal footing, and demonstrate that the Jahn-Teller phonons create a local (intramolecular) pairing which is surprisingly resistant to the Coulomb repulsion, despite the weakness of retardation in these low-bandwidth systems. The requirement for coherence throughout the solid then yields a very strong doping dependence to T(c), one consistent with experiment and much stronger than expected from standard Eliashberg theory. | | Source: | PubMed, pmid12731998 | | Services: | Forum | Review | Favorites | |
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