Surprises in the phase diagram of an anderson impurity model for a single C60(n-) molecule.
We find by Wilson numerical renormalization group and conformal field theory that a three-orbital Anderson impurity model for a C60(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 C60-based single-molecule transistor devices.
De Leo
Lorenzo
L
Department of Physics, Center for Material Theory, Rutgers University, Piscataway, New Jersey 08854, USA.
Fabrizio
Michele
M