The energy of a system of electrons on a sphere with purely repulsive interactions is computed by perturbation theory. Second-order results yield an effective attraction between added electrons, in the L = 0 singlet state or in the L = 1 triplet state, which depends on the magnitude and range of the interaction. An estimate of third-order corrections bounds the regime where these predictions are expected to hold. We discuss the relevance of this model to superconductivity and ferromagnetism in doped fullerenes.
|Number of pages||6|
|State||Published - May 15 1992|
ASJC Scopus subject areas
- Physics and Astronomy (all)