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

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 competiti...

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Bibliographic Details
Published in:Physical review letters 2023-03, Vol.130 (10), p.106703-106703, Article 106703
Main Authors: Rosales, H Diego, Albarracín, Flavia A Gómez, Pujol, Pierre, Jaubert, Ludovic D C
Format: Article
Language:English
Subjects:
Condensed Matter
Physics
Statistical Mechanics
Strongly Correlated Electrons
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Summary: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).
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.130.106703