Orientational Phase Transition in solid C60: Bifurcation Approach
Abstract
A simple model for the angular dependent interaction between C60 molecules on the face-centered cubic lattice is proposed. The bifurcations of the solutions of the nonlinear integral equations for orientational distribution functions in the mean field approximation are analyzed and the orientational phase transition in solid C60 is described. The quantitative results for the orientational phase transition are in accordance with experimental data.
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