Volume 44, Number 2, October II 1998
|Page(s)||249 - 254|
|Section||Condensed matter: electronic structure, electrical, magneticand optical properties|
|Published online||01 September 2002|
Are ground states of 3d spin glasses ultrametric?
Institut für theoretische Physik - Philosophenweg 19, 69120 Heidelberg, Germany
Accepted: 4 September 1998
Ground states of 3d EA Ising spin glasses are calculated for sizes up to 143 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.
PACS: 75.10.Nr – Spin glasses and other random models / 75.40.Mg – Numerical simulation studies / 02.10.Jf – General mathematical systems
© EDP Sciences, 1998
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