Spin Domains Generate Hierarchical Ground State Structure in J=+/-1 Spin Glasses

Abstract

Unbiased samples of ground states were generated for the short-range Ising spin glass with Jij=+/-1, in three dimensions. Clustering the ground states revealed their hierarchical structure, which is explained by correlated spin domains, serving as cores for macroscopic zero energy "excitations".

4 pages, 5 figures, accepted to Phys. Rev. Lett

References in corpus (3)

• Nature of the Spin Glass State
• Spin and link overlaps in 3-dimensional spin glasses
• A new method for analyzing ground-state landscapes: ballistic search

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