A Three Dimensional Kasteleyn Transition: Spin Ice in a [100] Field

Abstract : We examine the statistical mechanics of spin-ice materials with a [100] magnetic field. We show that the approach to saturated magnetisation is, in the low-temperature limit, an example of a 3D Kasteleyn transition, which is topological in the sense that magnetisation is changed only by excitations that span the entire system. We study the transition analytically and using a Monte Carlo cluster algorithm, and compare our results with recent data from experiments on Dy2Ti2O7.
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Submitted on : Monday, March 3, 2008 - 11:25:37 AM
Last modification on : Saturday, September 22, 2018 - 8:36:01 AM
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Ludovic Jaubert, J. T. Chalker, Peter Holdsworth, R. Moessner. A Three Dimensional Kasteleyn Transition: Spin Ice in a [100] Field. Physical Review Letters, American Physical Society, 2008, pp.067207. ⟨10.1103/PhysRevLett.100.067207⟩. ⟨ensl-00176660v4⟩

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