Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
2005-01-11
PRL 94, 236401 (2005)
Physics
Condensed Matter
Strongly Correlated Electrons
4 pages, 3 figures, 2 tables. Accepted version
Scientific paper
10.1103/PhysRevLett.94.236401
We find by Wilson numerical renormalization group and conformal field theory that a three-orbital Anderson impurity model for a C$_{60}^{n-}$ molecule has a very rich phase diagram which includes non-Fermi-liquid stable and unstable fixed points with interesting properties, most notably high sensitivity to doping $n$. We discuss the implications of our results to the conductance behavior of C$_{60}$-based single-molecule transistor devices.
Fabrizio Mauro
Leo Lorenzo de
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