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

Ludovic D. C. Jaubert 1 J. T. Chalker 2 Peter C.W. Holdsworth 1 R. Moessner 2, 3 
1 Phys-ENS - Laboratoire de Physique de l'ENS Lyon
2 Theoretical Physics, Oxford University
3 MPI-PKS - Max-Planck-Institut für Physik komplexer Systeme
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.
Keywords : frustrated magnetism spin ice Kasteleyn transition quantum phase transition
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Submitted on : Monday, March 3, 2008 - 11:25:37 AM
Last modification on : Thursday, November 21, 2019 - 2:33:50 AM
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Ludovic D. C. Jaubert, J. T. Chalker, Peter C.W. 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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