Are Ground States of 3d +/-J Spin Glasses ultrametric ?

Abstract

Ground states of 3d EA Ising spin glasses are calculated for sizes up to 14^3 using a combination of a genetic algorithm and Cluster-Exact Approximation. Evidence for an ultrametric structure is found by studying triplets of independent ground states where one or two values of the three overlaps are fixed.

5 pages, 5 figures

References in corpus (2)

• Evidence for existence of many pure ground states in 3d $\pm J$ Spin Glasses
• Ground state structure of diluted antiferromagnets and random field systems

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