Spontaneous Fluctuations in Mesoscopic Simulations of Nematic Liquid Crystals-Reference-Cited by-同舟云学术

Spontaneous Fluctuations in Mesoscopic Simulations of Nematic Liquid Crystals

Published:2019-07-16 Issue:03 Volume:18 Page:1950011
ISSN:0219-4775
Container-title:Fluctuation and Noise Letters
language:en
Short-container-title:Fluct. Noise Lett.

Author:

Híjar Humberto¹,Halver Rene²,Sutmann Godehard²

Affiliation:

1. Engineering School, La Salle University Mexico, Benjamin Franklin 45, 06140, Mexico City, Mexico

2. Jülich Supercomputing Centre, Institute for Advanced Simulation, Forschungszentrum Jülich, D-52425 Jülich, Germany

Abstract

We analyzed hydrodynamic fluctuations in nematic liquid crystals simulated by Multi-particle Collision Dynamics. Velocity effects on orientation were incorporated by allowing mesoscopic velocity gradients to exert torques on nematic particles. Backflow was included through an explicit application of angular momentum conservation during the collision events. We measured the spectra of hydrodynamic fluctuations and compared them with those derived from a linearized hydrodynamic scheme. Numerical results were found to reproduce the expected coupling between hydrodynamic modes, thus showing that the implementation simulates proper nematodynamic effects at the mesoscopic level.

Publisher

World Scientific Pub Co Pte Lt

Subject

General Physics and Astronomy,General Mathematics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0219477519500111

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