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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/4567
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dc.contributor.authorRao, Madan-
dc.contributor.authorSengupta, Surajit-
dc.contributor.authorShankar, R.-
dc.date.accessioned2012-05-31T08:44:00Z-
dc.date.available2012-05-31T08:44:00Z-
dc.date.issued1997-
dc.identifier.citationPhysical Review Letters, 1997, Vol.79, p3998en
dc.identifier.issn0031-9007-
dc.identifier.issn1079-7114 (Onnline)-
dc.identifier.urihttp://hdl.handle.net/2289/4567-
dc.descriptionRestricted Access. An open-access version is available at arXiv.org (one of the alternative locations)en
dc.description.abstractThe quantum Hall ground state away from ν = 1 can be described by a collection of interacting Skyrmions. We show within the context of a nonlinear sigma model that the classical ground state away from ν = 1 is a Skyrmion crystal with a generalized Néel order. As a function of filling factor ν and Landé factor g, the Skyrmion crystal undergoes a triangle --> square --> triangle transition at zero temperature. We argue that this structural transition is driven by a change in the shape of the individual Skyrmions and may be probed experimentally. Quantum fluctuations lead to an orientationally disordered phase at low Skyrmion densities.en
dc.language.isoenen
dc.publisherAmerican Physical Societyen
dc.relation.urihttp://arxiv.org/abs/cond-mat/9702193en
dc.relation.urihttp://dx.doi.org/10.1103/PhysRevLett.79.3998en
dc.relation.urihttp://adsabs.harvard.edu/abs/1997PhRvL..79.3998Ren
dc.rights1997, American Physical Societyen
dc.titleShape-deformation-driven structural transitions in quantum hall skyrmionsen
dc.typeArticleen
Appears in Collections:Research Papers (TP)

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