We consider two-dimensional zero-temperature systems of N particles to which we associate an energy of the form E[V](X):=?1?iR2E[V](X)?NE¯sq[V]+O(N12).Moreover E¯ [V] is also re-expressed as the minimizer of a four point energy. In particular, this happens if the potential V is such that V(r) = + ? forr< 1 , V(r) = - 1 for r?[1,2], V(r) = 0 if r>2, in which case E¯ [V] = - 4. To the best of our knowledge, this is the first proof of crystallization to the square lattice for a two-body interaction energy.
Crystallization to the Square Lattice for a Two-Body Potential
De Luca L;
2021
Abstract
We consider two-dimensional zero-temperature systems of N particles to which we associate an energy of the form E[V](X):=?1?iR2E[V](X)?NE¯sq[V]+O(N12).Moreover E¯ [V] is also re-expressed as the minimizer of a four point energy. In particular, this happens if the potential V is such that V(r) = + ? forr< 1 , V(r) = - 1 for r?[1,2], V(r) = 0 if r>2, in which case E¯ [V] = - 4. To the best of our knowledge, this is the first proof of crystallization to the square lattice for a two-body interaction energy.File in questo prodotto:
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