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Nematic Liquid Crystals

Elastic constants and dynamics in nematic liquid crystals

Elastic constants and dynamics in nematic liquid crystals

... in nematic liquid ...Gay-Berne nematic were studied by calculating time correlation functions of components of the order tensor, together with associated components of the velocity field, for a set ...

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Martingale solutions of nematic liquid crystals driven by pure jump noise in the Marcus canonical form

Martingale solutions of nematic liquid crystals driven by pure jump noise in the Marcus canonical form

... There are few notable works available on the stochastic version of the problem (1.7)-(1.10). The authors in [9] have studied the Ginzburg-Landau approximation of the above system governing the nematic ...

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Global well-posedness of the non-isothermal model for incompressible nematic liquid crystals

Global well-posedness of the non-isothermal model for incompressible nematic liquid crystals

... As was shown by Leslie [] that the mechanical balance equations must be supple- mented by an equation to describe the absolute temperature θ , the physical conservation law the conservation of energy should also be ...

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Elastic constants from direct correlation functions in nematic liquid crystals: A computer simulation study

Elastic constants from direct correlation functions in nematic liquid crystals: A computer simulation study

... of nematic liquid crystals with their local liquid structure, ...the nematic state from simulations without any approximations, taking into account the dependence of pair correlations ...

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Hierarchy of orientational phases and axial anisotropies in the gauge theoretical description of generalized nematic liquid crystals

Hierarchy of orientational phases and axial anisotropies in the gauge theoretical description of generalized nematic liquid crystals

... in nematic liquid crystals, and a highlight of such anisotropic liquids is the uniaxial and biaxial ...of nematic phase transitions related to axial point groups can be efficiently captured ...

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Continuum theory of biaxial nematic liquid crystals

Continuum theory of biaxial nematic liquid crystals

... of nematic liquid crystals and the vector m will be referred to as the minor director; n and m are also referred to as the major and minor directors, ...

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Deck The Walls: Curvature-Mediated Assembly In Confined Nematic Liquid Crystals

Deck The Walls: Curvature-Mediated Assembly In Confined Nematic Liquid Crystals

... Ever since Brown discovered the motion of inanimate pollen grains, material scientists have been fascinated by the vivid, life-like motion of colloidal particles. Indeed, the study of colloidal interactions has led to ...

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Nematic liquid crystals doped with nanoparticles : phase behavior and dielectric properties

Nematic liquid crystals doped with nanoparticles : phase behavior and dielectric properties

... of nematic liquid crystals doped with various nanoparticles have been studied in the framework of a molecular mean-field ...the liquid crystal material and cause a de- crease of the ...

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Expulsion of disclinations in nematic liquid crystals

Expulsion of disclinations in nematic liquid crystals

... confined nematic liquid crystal is forced to display point or line singularities whenever the boundary conditions imposed on it are topologically nontrivial [24, 19, ...of nematic liquid ...

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Computational fluid dynamics for nematic liquid crystals

Computational fluid dynamics for nematic liquid crystals

... In this paper we have described a highly efficient algorithm for the computation of flow and orientation in nematic liquid crystals. Writing the influence of the orientation field on the flow in the ...

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Optical Properties of Aligned Nematic Liquid Crystals in Electric Field

Optical Properties of Aligned Nematic Liquid Crystals in Electric Field

... as crystals have, but the gravity centers of the molecules are in chaotic order as in ...the nematic phase. However, if the domain walls of the liquid crystal are processed with known methods, the ...

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Study on the Polarization of Random Lasers from Dye Doped Nematic Liquid Crystals

Study on the Polarization of Random Lasers from Dye Doped Nematic Liquid Crystals

... dye-doped nematic liquid ...” liquid crystal molecules [37, ...the nematic liquid crystal ...of liquid crystals, the polarization of the emitted light is influenced by the ...

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Competition of lattice and basis for alignment of nematic liquid crystals

Competition of lattice and basis for alignment of nematic liquid crystals

... 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 ...

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Statistical Parameters and Phase Transition Temperatures of Nematic Liquid Crystals Using Image Analysis Technique

Statistical Parameters and Phase Transition Temperatures of Nematic Liquid Crystals Using Image Analysis Technique

... Liquid crystals (LCs) samples are characterized by the optical and dielectric ...of liquid crystal materials in different types of devices depends upon several properties like Phase transitions, ...

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Elasticity Tensors in Nematic Liquid Crystals

Elasticity Tensors in Nematic Liquid Crystals

... in nematic liquid crystals can be described by tensors, and how these tensors can be represented using the director components and the Kronecker and Levi-Civita ...

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Line disclination dynamics in uniaxial nematic liquid crystals

Line disclination dynamics in uniaxial nematic liquid crystals

... So-called nematic liquid crystals are comprised of rigid rod-like molecules with rotational symmetry about their long axis and reflectional symmetry about the plane made by their two short ...the ...

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Fredericksz transition threshold in nematic liquid crystals filled with ferroelectric nano particles

Fredericksz transition threshold in nematic liquid crystals filled with ferroelectric nano particles

... key liquid crystalline property for electro-optic applications is the Frederiks threshold electric ...in liquid crystal-based colloidal suspensions in which the colloidal nanoparticles both possess a ...

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Dielectric anisotropy of nematic liquid crystals loaded with carbon nanotubes in microwave range

Dielectric anisotropy of nematic liquid crystals loaded with carbon nanotubes in microwave range

... A liquid crystalline host in the isotropic phase has much lower viscosity compared with the nematic phase (39 mm 2 /s in nematic phase and ~1 mm 2 /s in the isotropic phase for ...

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Kickback in nematic liquid crystals

Kickback in nematic liquid crystals

... the liquid crystal the alignment with the magnetic field means that this will be an acceptable ...the liquid crystal? No analysis of this question will be considered in this paper, and it remains an ...

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Single and three pulse photoselection of dye probes in nematic liquid crystals

Single and three pulse photoselection of dye probes in nematic liquid crystals

... Variation of the excitation polarisation angle β from 0 to 90° allows the preparation of a range of initial degrees of excited state alignment with increasing cylindrical asymmetry as β approaches 90°. This is ...

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