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Spin-liquid behaviour and the interplay between Pokrovsky-Talapov and Ising criticality in the distorted, triangular-lattice, dipolar Ising antiferromagnet
by Andrew Smerald, Frederic Mila
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Submission summary
| Authors (as registered SciPost users): | Frédéric Mila · Andrew Smerald |
| Submission information | |
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| Preprint Link: | https://arxiv.org/abs/1707.03206v2 (pdf) |
| Date accepted: | Sept. 17, 2018 |
| Date submitted: | June 29, 2018, 2 a.m. |
| Submitted by: | Smerald, Andrew |
| Submitted to: | SciPost Physics |
| Ontological classification | |
|---|---|
| Academic field: | Physics |
| Specialties: |
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| Approaches: | Theoretical, Computational |
Abstract
We study the triangular-lattice Ising model with dipolar interactions, inspired by its realisation in artificial arrays of nanomagnets. We show that a classical spin-liquid forms at intermediate temperatures, and that its behaviour can be tuned by temperature and/or a small lattice distortion between a string Luttinger liquid and a domain-wall-network state. At low temperature there is a transition into a magnetically ordered phase, which can be first-order or continous with a crossover in the critical behaviour between Pokrovsky-Talapov and 2D-Ising universality. When the Pokrovsky-Talapov criticality dominates, the transition is essentially of the Kasteleyn type.
Author comments upon resubmission
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The manuscript has been substantially reorganised, as set out in the response to the referees.
Published as SciPost Phys. 5, 030 (2018)
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The authors have also responded appropriately to suggestions and requests by both referees, in each instance either making changes or explaining why their original formulation is justified.
I recommend this version for publication as a SciPost paper.