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Št. zadetkov: 6
Optically- and electrically-controlled topological defect architectures in confined chiral liquid crystals
Ivan I. Smalyukh
Video in druga učna gradiva
Oznake: physics;liquid crystals
Liquid crystal (LC) defects have recently attracted a great deal of interest due to their ability of pre-defining the symmetry of colloidal interactions in nematics and enabling the existence of distinct thermodynamic phases such as the twist grain boundary and blue phases. In confined nematic and c ...
Leto: 2010 Vir: videolectures.net
A journey with bacteria: From waste to nematic colloids and gels and to smart windows
Ivan I. Smalyukh
Video in druga učna gradiva
Oznake: physics;technology;materials
Heating, ventilation, and air conditioning of buildings account for about 15% of the global energy consumption, but about 20% of this building-related energy is lost because of inefficient windows. Greenhouse emissions associated with producing and using this energy contribute substantially to clima ...
Leto: 2018 Vir: videolectures.net
Chirality-enhanced periodic self-focusing of light in soft birefringent media
Guilhem Poy, Andrew J. Hess, Ivan I. Smalyukh, Slobodan Žumer
Izvirni znanstveni članek
Oznake: fizika mehke snovi;tekoči kristali;optika;soft matter physics;liquid crystals;optics;
We experimentally and numerically show that chirality can play a major role in the nonlinear optical response of soft birefringent materials, by studying the nonlinear propagation of laser beams in frustrated cholesteric liquid crystal samples. Such beams exhibit a periodic nonlinear response associ ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Anisotropic electrostatic screening of charged colloids in nematic solvents
Jeffrey Christopher Everts, Bohdan Senyuk, Haridas Mundoor, Miha Ravnik, Ivan I. Smalyukh
Izvirni znanstveni članek
Oznake: elektrostatika;nematski elektroliti;koloidi;fizika mehke snovi;electrostatics;nematic electrolytes;colloids;soft matter physics;
The physical behavior of anisotropic charged colloids is determined by their material dielectric anisotropy, affecting colloidal self-assembly, biological function, and even out-of-equilibrium behavior. However, little is known about anisotropic electrostatic screening, which underlies all electrost ...
Leto: 2021 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Emergent dimer-model topological order and quasiparticle excitations in liquid crystals: combinatorial vortex lattices
Cuiling Meng, Jin-Sheng Wu, Žiga Kos, Jörn Dunkel, Cristiano Nisoli, Ivan I. Smalyukh
Izvirni znanstveni članek
Oznake: fizika mehke snovi;tekoči kristali;topološki defekti;soft matter physics;liquid crystals;topological defects;combinatorial vortex lattices;
Liquid crystals have proven to provide a versatile experimental and theoretical platform for studying topological objects such as vortices, skyrmions, and hopfions. In parallel, in hard condensed matter physics, the concept of topological phases and topological order has been introduced in the conte ...
Leto: 2025 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Control of light by topological solitons in soft chiral birefringent media
Andrew J. Hess, Guilhem Poy, Jung-Shen B. Tai, Slobodan Žumer, Ivan I. Smalyukh
Izvirni znanstveni članek
Oznake: fizika mehke snovi;tekoči kristali;solitoni;optika;soft matter physics;liquid crystals;solitons;optics;
In practically all branches of physics, different types of solitons, with a number of them enjoying topological protection, are found. Here we explore how one- and two-dimensional topological solitons formed by spatially localized continuous orientational patterns of optical axis in uniaxial birefri ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 6
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