Helicoidal Cholesteric Phase

Helicoidal Cholesteric Phase
Author(s):
Kishun Bir, Santosh Kumar Srivastava
Keywords:
Legendre Polynomial, Cholesteric Phase, Helicoidal Cholesteric phase, Distortion free energy, Order parameter and External field
Abstract
We present a mean field theory for higher order legendre polynomial in chiral interaction part to describe helicoidal cholesteric phase for binary mixture of chiral nematic liquid crystals and polymer chain in presence of longitudinal electric field which is parallel to the pitch axis of cholesteric phase. We have calculated free energy of the helicoidal cholesteric phase a a function of order parameter and orientational distribution function in equilibrium state. Based on free energy minimization we have observed that inclusion of higher order legendre polynomial in intermolecular potential makes ChH phase more stabilized depending on the external field strength.
Article Details
Unique Paper ID: 154027 Publication Volume & Issue: Volume 8, Issue 9 Page(s): 503 - 506
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