Quasi-two-dimensional Skyrmion lattices in a chiral nematic liquid crystal

Jun-ichi Fukuda () and Slobodan Žumer
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Jun-ichi Fukuda: Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST)
Slobodan Žumer: Faculty of Mathematics and Physics, University of Ljubljana

Nature Communications, 2011, vol. 2, issue 1, 1-5

Abstract: Abstract Skyrmions are particle-like topological entities in a continuous field that have an important role in various condensed matter systems, including two-dimensional electron gases exhibiting the quantum Hall effect, chiral ferromagnets and Bose–Einstein condensates. Here we show theoretically, with the aid of numerical methods, that a highly chiral nematic liquid crystal can accommodate a quasi-two-dimensional Skyrmion lattice as a thermodynamically stable state, when it is confined to a thin film between two parallel surfaces imposing normal alignment. A chiral nematic liquid crystal film can thus serve as a model Skyrmion system, allowing direct investigation of their structural properties by a variety of optical techniques at room temperatures that are less demanding than Skyrmion systems discussed previously.

Date: 2011
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DOI: 10.1038/ncomms1250

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