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Spin and link overlaps in three-dimensional spin glasses.

作者信息

Krzakala F, Martin O C

机构信息

Laboratoire de Physique Théorique et Modèles Statistiques, Université Paris-Sud, F-91405 Orsay, France.

出版信息

Phys Rev Lett. 2000 Oct 2;85(14):3013-6. doi: 10.1103/PhysRevLett.85.3013.

DOI:10.1103/PhysRevLett.85.3013
PMID:11005991
Abstract

Excitations of three-dimensional spin glasses are computed numerically. We find that one can flip a finite fraction of an LxLxL lattice with an O(1) energy cost, confirming the mean-field picture of a nontrivial spin overlap distribution P(q). These low energy excitations are not domain-wall-like, rather they are topologically nontrivial and they reach out to the boundaries of the lattice. Their surface to volume ratios decrease as L increases and may asymptotically go to zero. If so, link and window overlaps between the ground state and these excited states become "trivial."

摘要

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