Face-centered cubic crystallization of atomistic configurations

We address the question of whether three-dimensional crystals are minimizers of classical many-body energies. This problem is of conceptual relevance as it presents a significant milestone towards understanding, on the atomistic level, phenomena such as melting or plastic behavior. We characterize a set of rotation- and translation-invariant two- and three-body energies such that the energy minimum per particle over all n-particle configurations converges to the energy per particle in the face-centered cubic (fcc) lattice as tends to infinity. The proof involves a careful analysis of the symmetry properties of the fcc lattice.

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