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Related papers: Chiral Discotic Columnar Phases in Liquid Crystals

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Active matter describes materials whose constituents are driven out of equilibrium by continuous energy consumption, for instance from ATP. Due to the orientable character of the constituents, active suspensions can attain liquid…

Soft Condensed Matter · Physics 2020-11-03 L. N. Carenza , G. Gonnella , G. Negro

We propose a hybrid lattice Boltzmann algorithm to simulate the hydrodynamics of colloidal particles inside a liquid crystalline host. To validate our algorithm, we study the static and the microrheology of a colloid in a nematic, with…

Soft Condensed Matter · Physics 2011-02-11 J. S. Lintuvuori , D. Marenduzzo , K. Stratford , M. E. Cates

Nematic liquid crystals confined to geometrically as well as chemically patterned substrate on one end and a flat substrate with strong anchoring on the other is studied using non-Boltzmann Monte Carlo methods. We observe significant…

Soft Condensed Matter · Physics 2010-10-18 D. Jayasri , Regina Jose , K. P. N. Murthy , V. S. S. Sastry

Phase transitions between crystalline solids occur either through the nucleation and growth mechanism, a process that is slow and destructive or through the diffusion-less and order preserving Martensitic route. In both organic and…

Toroidal nematics are droplets of nematic liquid crystals in the form of a circular torus. When the nematic director is subject to planar degenerate boundary conditions, the bend-only director field with vector lines along the parallels of…

Soft Condensed Matter · Physics 2018-10-29 Andrea Pedrini , Marco Piastra , Epifanio G. Virga

We study the effective chiral interaction between molecules arising from quantum dispersion interactions within a model in which a) the dominant excited states of a molecule form a band whose width is small compared to the average…

Soft Condensed Matter · Physics 2007-05-23 A. S. Issaenko , A. B. Harris , T. C. Lubensky

We propose and study a local map capable of describing the full variety of dynamical states, ranging from regular to chaotic, obtained when a nematic liquid crystal is subjected to a steady shear flow. The map is formulated in terms of a…

Soft Condensed Matter · Physics 2009-11-13 S. M. Kamil , Sudeshna Sinha , Gautam I. Menon

The ability to manipulate polar entities with multiple external fields opens exciting possibilities for emerging functionalities and novel applications in spin systems, photonics, metamaterials, and soft matter. Liquid crystals (LCs),…

Colloidal particles disturb the alignment of rod-like molecules of liquid crystals, giving rise to long-range interactions that minimize the free energy of distorted regions. Particle shape and topology are known to guide this self-assembly…

Soft Condensed Matter · Physics 2017-12-29 Ye Yuan , Angel Martinez , Bohdan Senyuk , Mykola Tasinkevych , Ivan I. Smalyukh

We investigate the $J_1$-$J_2$ Heisenberg model on the triangular lattice with an additional scalar chirality term and show that a chiral spin liquid is stabilized in a sizeable region of the phase diagram. This topological phase is…

Strongly Correlated Electrons · Physics 2017-02-01 Alexander Wietek , Andreas M. Läuchli

Recently, it has been shown that the ground state of quantum chromodynamics (QCD) in sufficiently strong magnetic fields and at moderate baryon number chemical potential carries a crystalline condensate of neutral pions: the chiral soliton…

High Energy Physics - Phenomenology · Physics 2019-12-05 Tomáš Brauner , Georgios Filios , Helena Kolešová

Due to elastic anisotropy, two-dimensional patterning of substrates can promote weak azimuthal alignment of adjacent nematic liquid crystals. Here, we consider how such alignment can be achieved using a periodic square lattice of circular…

Two-dimensional colloidal suspensions exposed to periodic external fields exhibit a variety of molecular crystalline phases. There two or more colloids assemble at lattice sites of potential minima to build new structural entities, referred…

Soft Condensed Matter · Physics 2009-11-11 Andreja Sarlah , Erwin Frey , Thomas Franosch

We study the dynamical formation of disoriented chiral condensates in very high energy nucleus-nucleus collisions using Bjorken hydrodynamics and relativistic nucleation theory. It is the dynamics of the first order confinement phase…

Nuclear Theory · Physics 2007-05-23 Joseph I. Kapusta , Axel P. Vischer

Mixtures of lipids and cholesterol are commonly used as model systems for studying the formation of liquid-ordered ($L_o$) domains in heterogeneous biological membranes. The simplest model system exhibiting coexistence between $L_o$ domains…

Soft Condensed Matter · Physics 2021-11-23 Tanmoy Sarkar , Oded Farago

We use full nematohydrodynamic simulations to study the statics and dynamics of monolayers of cholesteric liquid crystals. Using chirality and temperature as control parameters we show that we can recover the two-dimensional blue phases…

Soft Condensed Matter · Physics 2018-09-26 Luuk Metselaar , Amin Doostmohammadi , Julia M. Yeomans

It is widely admitted that the helical conformation of certain chiral molecules may induce a sizable spin selectivity observed in experiments. Spin selectivity arises as a result of the interplay between a helicity-induced spin-orbit…

Mesoscale and Nanoscale Physics · Physics 2018-05-23 E. Diaz , P. Albares , P. G. Estevez , J. M. Cervero , C. Gaul , E. Diez , F. Dominguez-Adame

Lyotropic cholesteric liquid crystal phases are ubiquitously observed in biological and synthetic polymer solutions, characterized by a complex interplay between thermal fluctuations, entropic and enthalpic forces. The elucidation of the…

Soft Condensed Matter · Physics 2020-08-04 Maxime M. C. Tortora , Garima Mishra , Domen Presern , Jonathan P. K. Doye

We study the phase behavior of bowl-shaped particles using computer simulations. These particles were found experimentally to form a meta-stable worm-like fluid phase in which the bowl-shaped particles have a strong tendency to stack on top…

Soft Condensed Matter · Physics 2011-12-07 Matthieu Marechal , Marjolein Dijkstra

We introduce a quasi-phase-matched technique in quadratic nonlinear crystals, constructing an artificial gauge field by changing the inclination angle of stripes, which is realized by the positive and negative polarization directions of…