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Surface criticality in random field magnets

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dc.contributor Aalto-yliopisto fi
dc.contributor Aalto University en
dc.contributor.author Laurson, L.
dc.contributor.author Alava, Mikko J.
dc.date.accessioned 2015-11-28T10:01:52Z
dc.date.available 2015-11-28T10:01:52Z
dc.date.issued 2005
dc.identifier.citation Laurson, L. & Alava, Mikko J. 2005. Surface criticality in random field magnets. Physical Review B. Volume 72, Issue 21. 214416/1-6. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.72.214416. en
dc.identifier.issn 1550-235X (electronic)
dc.identifier.uri https://aaltodoc.aalto.fi/handle/123456789/18894
dc.description.abstract The boundary-induced scaling of three-dimensional random field Ising magnets is investigated close to the bulk critical point by exact combinatorial optimization methods. We measure several exponents describing surface criticality: β1 for the surface layer magnetization and the surface excess exponents for the magnetization and the specific heat, βs and αs. The latter are related to the bulk phase transition by the same scaling laws as in pure systems, but only with the same violation of the hyperscaling exponent θ as in the bulk. The boundary disorders faster than the bulk, and the experimental and theoretical implications are discussed. en
dc.format.extent 214416/1-6
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Physical Society (APS) en
dc.relation.ispartofseries Physical Review B en
dc.relation.ispartofseries Volume 72, Issue 21
dc.rights © 2005 American Physical Society (APS). This is the accepted version of the following article: Laurson, L. & Alava, Mikko J. 2005. Surface criticality in random field magnets. Physical Review B. Volume 72, Issue 21. 214416/1-6. ISSN 1550-235X (electronic). DOI: 10.1103/physrevb.72.214416, which has been published in final form at http://journals.aps.org/prb/abstract/10.1103/PhysRevB.72.214416. en
dc.subject.other Physics en
dc.title Surface criticality in random field magnets en
dc.type A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä fi
dc.description.version Peer reviewed en
dc.rights.holder American Physical Society (APS)
dc.contributor.school Perustieteiden korkeakoulu fi
dc.contributor.school School of Science en
dc.contributor.department Teknillisen fysiikan laitos fi
dc.contributor.department Department of Applied Physics en
dc.subject.keyword random field Ising magnets en
dc.subject.keyword boundary-induced scaling en
dc.identifier.urn URN:NBN:fi:aalto-201511275380
dc.type.dcmitype text en
dc.identifier.doi 10.1103/physrevb.72.214416
dc.type.version Final published version en


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