Metastate analysis of the ground states of two-dimensional Ising spin glasses.
basic_science · Level V
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- Record sourced from PubMed, PMID 37723747.
- Also identified by DOI 10.1103/PhysRevE.108.024142.
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Abstract
Using an efficient polynomial-time ground-state algorithm we investigate the Ising spin glass state at zero temperature in two dimensions. For large sizes, we show that the spin state in a central region is independent of the interactions far away, indicating a "single-state" picture, presumably the droplet model. Surprisingly, a single power law describes corrections to this result down to the smallest sizes studied.