FLOW-ALIGNMENT IN THE HELIX UNCOILING OF SHEARED CHOLESTERIC LIQUID-CRYSTALS

Authors
REY AD
Citation
Ad. Rey, FLOW-ALIGNMENT IN THE HELIX UNCOILING OF SHEARED CHOLESTERIC LIQUID-CRYSTALS, Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics, 53(4), 1996, pp. 4198-4201
Citations number
14
Categorie Soggetti
Physycs, Mathematical","Phsycs, Fluid & Plasmas
Journal title
Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics → ACNP
ISSN journal
1063651X
Volume
53
Issue
4
Year of publication
1996
Part
B
Pages
4198 - 4201
Database
ISI
SICI code
1063-651X(1996)53:4<4198:FITHUO>2.0.ZU;2-T
Abstract
This Brief Report analyzes the dependence of helix deformation modes o n the flow alignment properties of sheared cholesteric liquid crystals . It is predicted that the helix of nonaligning cholesterics will not unwind. On the other hand, for how-aligning cholesterics the helix wil l unwind only if the shear rate is larger than a pitch-dependent thres hold.