Field-induced dynamics and structures in a cholesteric-blue-phase cell

Jun-ichi Fukuda (福田順一) and Slobodan Žumer
Phys. Rev. E 87, 042506 – Published 22 April 2013

Abstract

We investigate numerically the relaxational dynamics of the orientational order of a cholesteric blue phase (BP) in a planar cell enforcing normal alignment in response to the application and cessation of an external electric field. We focus on the cases where blue phase I (BP I) is stable in the bulk. We show how the reorganization processes of the network of disclinations depend on the field strength and the history of the application of the field. We also demonstrate that the relaxation processes following the cessation of the field are particularly complex and depend sensitively on the profile of the orientational order before the cessation of the field.

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  • Received 26 February 2013

DOI:https://doi.org/10.1103/PhysRevE.87.042506

©2013 American Physical Society

Authors & Affiliations

Jun-ichi Fukuda (福田順一)1,2,3,* and Slobodan Žumer2,3,4

  • 1Nanosystem Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Umezono, Tsukuba 305-8568, Japan
  • 2Department of Physics, University of Ljubljana, Jadranska 19, 1000 Ljubljana, Slovenia
  • 3Center of Excellence NAMASTE, Jamova 39, 1000 Ljubljana, Slovenia
  • 4Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia

  • *fukuda.jun-ichi@aist.go.jp

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Issue

Vol. 87, Iss. 4 — April 2013

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