Photoinduced effects in the vicinity of the smectic-<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msubsup><mrow><mi>C</mi></mrow><mrow><mi>α</mi></mrow><mrow><mi>*</mi></mrow></msubsup></mrow></math></span>–smectic-<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>A</mi></math></span> transition

S. Krishna Prasad; K. L. Sandhya; Y. S. Negi

doi:10.1103/PhysRevE.65.031718

Photoinduced effects in the vicinity of the smectic- $C_{α}^{*}$ –smectic- $A$ transition

S. Krishna Prasad, K. L. Sandhya, and Y. S. Negi

Phys. Rev. E 65, 031718 – Published 6 March 2002

Abstract

We report the first results of photoinduced effects near the smectic- $C_{α}^{*}$ -smectic- $A$ transition in a binary liquid crystalline material. Dielectric dispersion measurements show that the softening of the tilt fluctuation mode in the vicinity of the transition gets enhanced in the presence of the UV light.

Received 3 October 2001

DOI:https://doi.org/10.1103/PhysRevE.65.031718

Authors & Affiliations

S. Krishna Prasad¹, K. L. Sandhya¹, and Y. S. Negi²

¹Centre for Liquid Crystal Research, Jalahalli, Bangalore 560 013, India
²Centre for Materials for Electronics Technology, Panchwati, Off Pashan Road, Pune 411 008, India

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Vol. 65, Iss. 3 — March 2002

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Physical Review E

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