Document Type

Article

Publication Date

11-1-2000

Abstract

A dc electric field was applied perpendicular to the tilt plane of a pitch-compensated (unwound helix) anticlinic liquid crystal. By means of quasielastic light scattering, the field was found to couple the acoustic and optic Goldstone modes, resulting in an increase of the relaxation time τβ of the acoustic like eigenmode. Elastic constants were estimated from the relaxation time data.

Keywords

dielectric relaxation, eigenvalues and eigenfunctions, electric field effects, Fourier transforms, free energy, light scattering, phase transitions, goldstone modes, quasielastic light scattering, liquid crystals, anticlinic liquid crystals (ALC), boundary conditions

Publication Title

Physical Review E

Rights

©2000 The American Physical Society.

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