Dynamic stabilisation of mesospin chains

Fuente: arXiv
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Autori principali: Dagbjartsson, Damjan, Banks, Simon, Hjörvarsson, Björgvin
Natura: Preprint
Pubblicazione: 2025
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author Dagbjartsson, Damjan
Banks, Simon
Hjörvarsson, Björgvin
author_facet Dagbjartsson, Damjan
Banks, Simon
Hjörvarsson, Björgvin
contents We present a rare example of a one-dimensional system with short-range range interactions for which a self-stabilizing long-range ordered phase persists to finite temperatures. Our model offers a new perspective on the origins of shape anisotropy on the mesoscopic scale in magnetic metamaterials. Specifically, we show how the combination of a physically realistic stray-field potential and the spatial dimensionality of the system can reduce the effective dimensionality of classical magnetic mesospins. The resulting emergent constraints on the magnetic excitation spectrum underpin the observed ordering, in stark contrast to the behaviour of analogous one-dimensional models with strictly isotropic spins.
format Preprint
id arxiv_https___arxiv_org_abs_2511_15386
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Dynamic stabilisation of mesospin chains
Dagbjartsson, Damjan
Banks, Simon
Hjörvarsson, Björgvin
Mesoscale and Nanoscale Physics
Other Condensed Matter
We present a rare example of a one-dimensional system with short-range range interactions for which a self-stabilizing long-range ordered phase persists to finite temperatures. Our model offers a new perspective on the origins of shape anisotropy on the mesoscopic scale in magnetic metamaterials. Specifically, we show how the combination of a physically realistic stray-field potential and the spatial dimensionality of the system can reduce the effective dimensionality of classical magnetic mesospins. The resulting emergent constraints on the magnetic excitation spectrum underpin the observed ordering, in stark contrast to the behaviour of analogous one-dimensional models with strictly isotropic spins.
title Dynamic stabilisation of mesospin chains
topic Mesoscale and Nanoscale Physics
Other Condensed Matter
url https://arxiv.org/abs/2511.15386