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Breakdown of a topological transition in two-dimensional spin-ice due to geometry effects

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Ferreyra_Grigera2018_Article_BreakdownOfATopologicalTransit.pdf (1.089Mb)
Date
12/2018
Author
Ferreyra, Maria Victoria
Grigera, Santiago Andres
Keywords
QC Physics
T-NDAS
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Abstract
We investigate the topological transition that takes place in spin-ice systems when a polarising field is applied along a principal axis. In particular, we analyse a two dimensional spin-ice model; we find that the topological transition is strongly affected by geometrical constraints in the shape of the sample, and that in the case where the dimension perpendicular to the field is much smaller than the longitudinal one, i.e. in the quasi-1D spin-ice-ladder limit, it splits into a series of first-order phase transitions characterised by sharp spikes in the specific heat and susceptibility.
Citation
Ferreyra , M V & Grigera , S A 2018 , ' Breakdown of a topological transition in two-dimensional spin-ice due to geometry effects ' , The European Physical Journal B - Condensed Matter and Complex Systems , vol. 91 , 307 . https://doi.org/10.1140/epjb/e2018-90390-3
Publication
The European Physical Journal B - Condensed Matter and Complex Systems
Status
Peer reviewed
DOI
https://doi.org/10.1140/epjb/e2018-90390-3
ISSN
1434-6028
Type
Journal article
Rights
© The Author(s) 2018. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (https://doi.org/creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Description
This work was supported by CONICET (Argentina), and by ANPCYT (Argentina) via grant PICT-2013-2004
Collections
  • University of St Andrews Research
URI
http://hdl.handle.net/10023/16706

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