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The Kasteleyn transition in three dimensions: spin ice in a [100] field

Abstract:
We discuss the nearest neighbour spin ice model in the presence of a magnetic field placed along the cubic [100] direction. As recently shown in Phys. Rev. Lett. 100, 067207, 2008, the symmetry sustaining ordering transition observed at low temperature is a three dimensional Kasteleyn transition. We confirm this with numerical data using a non-local algorithm that conserves the topological constraints at low temperature and from analytic calculations from a Bethe lattice of corner sharing tetrahedra . We present a thermodynamic description of the Kasteleyn transition and discuss the relevance of our results to recent neutron scattering experiments on spin ice materials.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1088/1742-6596/145/1/012024

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Theoretical Physics
Role:
Author



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UUID:
uuid:c49edabd-3685-4392-a7c5-6478395ae517
Local pid:
pubs:167365
Source identifiers:
167365
Deposit date:
2013-02-20

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