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Entropy as a function of magnetisation for a 2D spin-ice model exhibiting a Kasteleyn transition

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Grigera_2018_J._Phys._Commun._2_085004.pdf (839.9Kb)
Date
08/2018
Author
Grigera, Santiago
Hooley, Christopher
Funder
EPSRC
Grant ID
EP/I031014/1
Keywords
Kasteleyn transition
Magnetization
2D spin-ice
QC Physics
TK Electrical engineering. Electronics Nuclear engineering
NDAS
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Abstract
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.
Citation
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
Publication
Journal of Physics Communications
Status
Peer reviewed
DOI
https://doi.org/10.1088/2399-6528/aad492
ISSN
2399-6528
Type
Journal article
Rights
© 2018 The Author(s). Original content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.
Description
This 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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  • University of St Andrews Research
URI
http://hdl.handle.net/10023/15764

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