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Št. zadetkov: 21
Nematic Colloid as a topological playground
Slobodan Žumer
Video in druga učna gradiva
Oznake: physics;liquid crystals
Particles dispersed in a nematic yield complex defect structures. Beside structures where defects are localized close to particles also structures where disclination lines entangle two or more particles are found. Here we focus on dimmers and show that a simple geometrical description based on local ...
Leto: 2010 Vir: videolectures.net
Ograjene in koloidne modre faze ter skirmioni
Slobodan Žumer
Video in druga učna gradiva
Oznake: mathematics;physics
Leto: 2013 Vir: videolectures.net
Topological soft matter
Slobodan Žumer
Video in druga učna gradiva
Oznake: physics
Topological soft matter is a specific matter where stable or metastable defects in orientational molecular ordering crucially determine its structure. The stabilization of complex topological defects including knotted ordering fields is realized by a balance of conflicting effects like confinement, ...
Leto: 2013 Vir: videolectures.net
Frustrated liquid-crystalline ordering as a key to topological soft matter
Slobodan Žumer
Video in druga učna gradiva
Oznake: physics;liquid crystals
Topological soft matter is characterized by stable defects in its orientational ordering. The complexity and stability of defect structures depend on the frustration caused by conflicting effects of chirality, anisotropic elasticity, confinement, and external fields. We will show how simple liquid c ...
Leto: 2018 Vir: videolectures.net
Ordering and local fluidics in confined chiral and achiral nematics
David Seč, Slobodan Žumer
Doktorska disertacija
Oznake: nematic liquid crystals;nematic shells;liquid crystal droplets;topological defects;knotted fields;nematodynamics;microfluidics;
Ordering and local fluidics in confined chiral and achiral nematics
Leto: 2014 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Ray-based optical visualisation of complex birefringent structures including energy transport
Guilhem Poy, Slobodan Žumer
Izvirni znanstveni članek
Oznake: fizika mehke snovi;tekoči kristali;optika;dvolomnost;soft matter physics;liquid crystals;optics;birefringence;
We propose an efficient method to simulate light propagation in lossless and non-scattering uniaxial birefringent media, based on a standard ray-tracing technique supplemented by a newly-derived transport equation for the electric field amplitude along a ray and a tailored interpolation algorithm fo ...
Leto: 2019 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Physics-based multistep beam propagation in inhomogeneous birefringent media
Guilhem Poy, Slobodan Žumer
Izvirni znanstveni članek
Oznake: optika;optics;
We present a unified theoretical framework for paraxial and wide-angle beam propagation methods in inhomogeneous birefringent media based on a minimal set of physical assumptions. The advantage of our schemes is that they are based on differential operators with a clear physical interpretation and e ...
Leto: 2020 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Modeliranje širjenja svetlobe vzdolž ograjenih tekočekristalnih defektnih linij
Miha Čančula, Slobodan Žumer, Miha Ravnik
Magistrsko delo
Oznake: nematski tekoči kristali;elektromagnetno valovanje;dvolomnost;polarizacija svetlobe;topološki defekti;
Modeliranje širjenja svetlobe vzdolž ograjenih tekočekristalnih defektnih linij
Leto: 2013 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Mutually coupled flow of light and liquid crystal ordering
Miha Čančula, Slobodan Žumer, Miha Ravnik
Doktorska disertacija
Oznake: light;nonlinear optics;singular optics;lensing;waveguiding;nematic liquid crystals;topological defects;numerical methods;
Mutually coupled flow of light and liquid crystal ordering
Leto: 2017 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Surface-patterning generated half-skyrmion lattices in cholesteric blue phase thin films
Shun Wang, Miha Ravnik, Slobodan Žumer
Izvirni znanstveni članek
Oznake: tekoči kristali;modre faze;polovični skirmioni;tanki filmi;liquid crystals;blue phases;half-skyrmions;thin films;
Liquid crystalline blue phase (BP) II sandwiched between a pair of confining surfaces with specifically designed patterns is studied using numerical simulation based on the Landau-de Gennes phenomenological approach. Directed by the surface patterns, quasi-two-dimensional half-Skyrmion lattices form ...
Leto: 2018 Vir: Fakulteta za matematiko in fiziko (UL FMF)
Št. zadetkov: 21
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