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Ising spin glasses in dimension five
Umeå University, Faculty of Science and Technology, Department of Mathematics and Mathematical Statistics.
2017 (English)In: Physical Review E, ISSN 2470-0045, Vol. 95, no 1, 012112Article in journal (Refereed) Published
Abstract [en]

Ising spin-glass models with bimodal, Gaussian, uniform, and Laplacian interaction distributions in dimension five are studied through detailed numerical simulations. The data are analyzed in both the finite-size scaling regime and the thermodynamic limit regime. It is shown that the values of critical exponents and of dimensionless observables at criticality are model dependent. Models in a single universality class have identical values for each of these critical parameters, so Ising spin-glass models in dimension five with different interaction distributions each lie in different universality classes. This result confirms conclusions drawn from measurements in dimension four and dimension two.

Place, publisher, year, edition, pages
2017. Vol. 95, no 1, 012112
National Category
Probability Theory and Statistics
Identifiers
URN: urn:nbn:se:umu:diva-132030DOI: 10.1103/PhysRevE.95.012112ISI: 000391864200001OAI: oai:DiVA.org:umu-132030DiVA: diva2:1085242
Available from: 2017-03-28 Created: 2017-03-28 Last updated: 2017-03-28Bibliographically approved

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Lundow, Per-Håkan
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CiteExportLink to record
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Citation style
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