Knots and other new topological effects in liquid crystals and colloids

II Smalyukh - Reports on Progress in Physics, 2020 - iopscience.iop.org
Humankind has been obsessed with knots in religion, culture and daily life for millennia,
while physicists like Gauss, Kelvin and Maxwell already involved them in models centuries …

Hopfions, heliknotons, skyrmions, torons and both abelian and nonabelian vortices in chiral liquid crystals

JS Wu, II Smalyukh - Liquid Crystals Reviews, 2022 - Taylor & Francis
Widely known for their uses in displays and electro-optics, liquid crystals are more than just
technological marvels. They vividly reveal the topology and structure of various solitonic and …

Three-dimensional structure and multistable optical switching of triple-twisted particle-like excitations in anisotropic fluids

II Smalyukh, Y Lansac, NA Clark, RP Trivedi - Nature materials, 2010 - nature.com
Control of structures in soft materials with long-range order forms the basis for applications
such as displays, liquid-crystal biosensors, tunable lenses, distributed feedback lasers …

Squirming motion of baby skyrmions in nematic fluids

PJ Ackerman, T Boyle, II Smalyukh - Nature communications, 2017 - nature.com
Skyrmions are topologically protected continuous field configurations that cannot be
smoothly transformed to a uniform state. They behave like particles and give origins to the …

Electrically driven three-dimensional solitary waves as director bullets in nematic liquid crystals

BX Li, V Borshch, RL **ao, S Paladugu, T Turiv… - Nature …, 2018 - nature.com
Electric field-induced collective reorientation of nematic molecules is of importance for
fundamental science and practical applications. This reorientation is either homogeneous …

Emergence of disordered branching patterns in confined chiral nematic liquid crystals

S Echeverría-Alar, MG Clerc… - Proceedings of the …, 2023 - National Acad Sciences
Spatial branching processes are ubiquitous in nature, yet the mechanisms that drive their
growth may vary significantly from one system to another. In soft matter physics, chiral …

Two-dimensional skyrmions and other solitonic structures in confinement-frustrated chiral nematics

PJ Ackerman, RP Trivedi, B Senyuk… - Physical Review E, 2014 - APS
We explore spatially localized solitonic configurations of a director field, generated using
optical realignment and laser-induced heating, in frustrated chiral nematic liquid crystals …

Theory of skyrmion states in liquid crystals

AO Leonov, IE Dragunov, UK Rößler, AN Bogdanov - Physical Review E, 2014 - APS
Within the Oseen-Frank theory we derive numerically exact solutions for axisymmetric
localized states in chiral liquid crystal layers with homeotropic anchoring. These solutions …

Design of nematic liquid crystals to control microscale dynamics

OD Lavrentovich - Liquid crystals reviews, 2020 - Taylor & Francis
Dynamics of small particles, both living and inanimate, has fascinated scientists for
centuries. Learning how to control it could open technological opportunities in the …

Optical generation of crystalline, quasicrystalline, and arbitrary arrays of torons in confined cholesteric liquid crystals for patterning of optical vortices in laser beams

PJ Ackerman, Z Qi, II Smalyukh - … Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
Condensed matter systems with topological defects in the ground states range from the
Abrikosov phases in superconductors, to various blue phases and twist grain boundary …