ARE GROUND-STATES OF 3D+ -J SPIN-GLASSES ULTRAMETRIC/

Authors
HARTMANN AK
Citation
Ak. Hartmann, ARE GROUND-STATES OF 3D+ -J SPIN-GLASSES ULTRAMETRIC/, Europhysics letters (Print), 44(2), 1998, pp. 249-254
Citations number
27
Categorie Soggetti
Physics
Journal title
Europhysics letters (Print) → ACNP
ISSN journal
02955075
Volume
44
Issue
2
Year of publication
1998
Pages
249 - 254
Database
ISI
SICI code
0295-5075(1998)44:2<249:AGO3-S>2.0.ZU;2-E
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 study ing triplets of independent ground states where one or two values of t he three overlaps are fixed.