Volume 40, Number 4, November II 1997
|Page(s)||429 - 434|
|Section||Condensed matter: electronic structure, electrical, magnetic and optical properties|
|Published online||01 September 2002|
Evidence for nontrivial ground-state structure of 3d ± J spin glasses
Institut für Theoretische Physik, Philosophenweg 19,
69120 Heidelberg, Germany
Corresponding author: firstname.lastname@example.org
Accepted: 12 October 1997
Ground states of 3d EA Ising spin glasses are calculated for sizes up to 143 using a combination of genetic algorithms and cluster-exact approximation. The generation of a large number of ground states allows the computation of the distribution P(|q|) of overlaps. For increasing size the width of P(|q|) converges to a nonzero value, indicating a nontrivial ground-state structure for short-range Ising spin glasses.
PACS: 75.10.Nr – Spin-glass and other random models / 75.40.Mg – Numerical simulation studies / 02.10.Jf – General mathematical systems
© EDP Sciences, 1997
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