PMID: 15244839Jul 13, 2004Paper

Pretransitional anomalies in the shear flow near a second-order nematic-smectic- a phase change

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
A V Zakharov, J Thoen

Abstract

Pretransitional anomalies in a shear flow near a second order nematic-smectic- A ( NA ) phase transition temperature T(NA), for liquid crystals (LC's), taking into account the fluctuations of the local smectic order parameter above the T(NA), are investigated. It is shown that the tumbling instability of the Couette shear flow for polar LC compounds, such as 4-n-octyl- 4(') -cyanobiphenyl (8CB), in the vicinity of T(NA), e.g., at a few tens of mK from T(NA) in the nematic phase, occurs at any shear rate gamma;.

References

May 15, 1991·Physical Review. a·R F Bruinsma, C R Safinya
Apr 17, 2001·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A V Zakharov, R Y Dong
Jun 13, 2002·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·A V Zakharov, Ronald Y Dong

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Citations

Jul 29, 2005·The European Physical Journal. E, Soft Matter·A V Zakharov, J Thoen
Oct 17, 2009·The Journal of Chemical Physics·Sten Sarman, Aatto Laaksonen
Oct 10, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·I W HamleyP Parras

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