Freedericksz transition in nematics: Effects of non-linear shear profile and elastic anisotropy

Bagisa Mukherjee, Arup Mukherjee

Research output: Contribution to journalArticle

Abstract

Using the nematodynamic equations of Ericksen and Leslie, we investigate the nature of the Freedericksz transition for elastically anisotropic nematic liquid crystals between parallel plates and subject to a shear and an external magnetic field. Two types of velocity profiles are considered: the simplified (linear) profile where the velocity gradient in the bulk of the sample is constant and a more realistic non-linear profile. We investigate and characterize the differences in the director distortions and the onset of transition in these cases for a range of external field strengths.

Original languageEnglish
Pages (from-to)274-285
Number of pages12
JournalMolecular Crystals and Liquid Crystals
Volume508
DOIs
StatePublished - 1 Dec 2009

Fingerprint

elastic anisotropy
Anisotropy
shear
anisotropy
Nematic liquid crystals
profiles
parallel plates
field strength
velocity distribution
liquid crystals
Magnetic fields
gradients
magnetic fields

Keywords

  • Elastic anisotropy
  • Freedericksz transition
  • Non-linear shear profile

Cite this

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Freedericksz transition in nematics : Effects of non-linear shear profile and elastic anisotropy. / Mukherjee, Bagisa; Mukherjee, Arup.

In: Molecular Crystals and Liquid Crystals, Vol. 508, 01.12.2009, p. 274-285.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Freedericksz transition in nematics

T2 - Effects of non-linear shear profile and elastic anisotropy

AU - Mukherjee, Bagisa

AU - Mukherjee, Arup

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