Entropy as a function of magnetisation for a 2D spin-ice model exhibiting a Kasteleyn transition
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We present a combined analytical and numerical study of the entropy as a function of magnetization for an orientable 2D spin-ice model that exhibits a Kasteleyn transition. The model that we use is related to the well known six-vertex model but, as we show, our representation of it is more convenient for constructing approximate expressions for the entropy at fixed magnetization. We also discuss directions for further work, including the possibility of deforming our model into one exhibiting a quantum Kasteleyn transition.
Grigera , S & Hooley , C 2018 , ' Entropy as a function of magnetisation for a 2D spin-ice model exhibiting a Kasteleyn transition ' , Journal of Physics Communications , vol. 2 , no. 8 , 085004 . https://doi.org/10.1088/2399-6528/aad492
Journal of Physics Communications
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DescriptionThis research was supported in part by the National Science Foundation under Grant No. NSF PHY11-25915. CAH also gratefully acknowledges financial support from the EPSRC (UK) via grant number EP/I031014/1. SAG would like to acknowledge financial support from CONICET, and ANPCYT (Argentina) via grant PICT-2013-2004.
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