Skyrmion Fluid and Bimeron Glass Protected by a Chiral Spin Liquid on a Kagome Lattice

H. Diego Rosales, Flavia A. Gómez Albarracín, Pierre Pujol, and Ludovic D. C. Jaubert
Phys. Rev. Lett. 130, 106703 – Published 10 March 2023
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Abstract

Skyrmions are of interest both from a fundamental and technological point of view, due to their potential to act as information carriers. But one challenge concerns their manipulation, especially at high temperature where thermal fluctuations eventually disintegrate them. Here we study the competition between skyrmions and a chiral spin liquid, using the latter as an entropic buffer to impose a quasivacuum of skyrmions. As a result, the temperature becomes a knob to tune the skyrmion density from a dense liquid to a diluted gas, protecting the integrity of each skyrmion from paramagnetic disintegration. With this additional knob in hand, we find at high field a topological spin glass made of zero- and one-dimensional topological defects (respectively skyrmions and bimerons).

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  • Received 12 April 2022
  • Revised 10 November 2022
  • Accepted 3 February 2023

DOI:https://doi.org/10.1103/PhysRevLett.130.106703

© 2023 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

H. Diego Rosales1,2,3, Flavia A. Gómez Albarracín1,2,3, Pierre Pujol4, and Ludovic D. C. Jaubert5,*

  • 1Instituto de Física de Líquidos y Sistemas Biológicos, CONICET, Facultad de Ciencias Exactas, Universidad Nacional de La Plata, 1900 La Plata, Argentina
  • 2Departamento de Física, FCE, UNLP, 1900 La Plata, Argentina
  • 3Departamento de Ciencias Básicas, Facultad de Ingeniería, UNLP, 1900 La Plata, Argentina
  • 4Laboratoire de Physique Théorique, CNRS and Université de Toulouse, UPS, Toulouse, F-31062, France
  • 5CNRS, Université de Bordeaux, LOMA, UMR 5798, 33400 Talence, France

  • *Corresponding author. ludovic.jaubert@u-bordeaux.fr

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Issue

Vol. 130, Iss. 10 — 10 March 2023

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