Abstract
The systematic experimental study of direct transition “nonconvective state — spatiotemporal chaos” in electrohydrodynamic convection of a homeotropically aligned nematic is carried out. The transient patterns, both below and beyond the Lifshitz point, are studied and classified. The patterns initially correspond to oblique and normal rolls, respectively. In all the cases the transition to chaos undergoes slow spatiotemporal modulations of the local roll orientation. This results in the final dynamical patterns isotropic on large spatial scales. The dynamics of the final patterns are also studied with a quantitative analysis of the power spectra of turbulent modes and their autocorrelation functions. The exponential decay of the correlations in time is proved.
| Original language | English |
|---|---|
| Pages (from-to) | 3329-3332 |
| Number of pages | 4 |
| Journal | journal of the physical society of japan |
| Volume | 66 |
| Issue number | 11 |
| DOIs | |
| Publication status | Published - Jan 1 1997 |
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All Science Journal Classification (ASJC) codes
- Physics and Astronomy(all)
Cite this
Dynamical Aspects of Spatiotemporal Chaos at the Onset of Electroconvection in Homeotropic Nematics. / Hidaka, Yoshiki; Huh, Jong Hoon; Hayashi, Ken Ichi; Kai, Shoichi; Tribelsky, Michael I.
In: journal of the physical society of japan, Vol. 66, No. 11, 01.01.1997, p. 3329-3332.Research output: Contribution to journal › Article
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TY - JOUR
T1 - Dynamical Aspects of Spatiotemporal Chaos at the Onset of Electroconvection in Homeotropic Nematics
AU - Hidaka, Yoshiki
AU - Huh, Jong Hoon
AU - Hayashi, Ken Ichi
AU - Kai, Shoichi
AU - Tribelsky, Michael I.
PY - 1997/1/1
Y1 - 1997/1/1
N2 - The systematic experimental study of direct transition “nonconvective state — spatiotemporal chaos” in electrohydrodynamic convection of a homeotropically aligned nematic is carried out. The transient patterns, both below and beyond the Lifshitz point, are studied and classified. The patterns initially correspond to oblique and normal rolls, respectively. In all the cases the transition to chaos undergoes slow spatiotemporal modulations of the local roll orientation. This results in the final dynamical patterns isotropic on large spatial scales. The dynamics of the final patterns are also studied with a quantitative analysis of the power spectra of turbulent modes and their autocorrelation functions. The exponential decay of the correlations in time is proved.
AB - The systematic experimental study of direct transition “nonconvective state — spatiotemporal chaos” in electrohydrodynamic convection of a homeotropically aligned nematic is carried out. The transient patterns, both below and beyond the Lifshitz point, are studied and classified. The patterns initially correspond to oblique and normal rolls, respectively. In all the cases the transition to chaos undergoes slow spatiotemporal modulations of the local roll orientation. This results in the final dynamical patterns isotropic on large spatial scales. The dynamics of the final patterns are also studied with a quantitative analysis of the power spectra of turbulent modes and their autocorrelation functions. The exponential decay of the correlations in time is proved.
UR - http://www.scopus.com/inward/record.url?scp=33644692179&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=33644692179&partnerID=8YFLogxK
U2 - 10.1143/JPSJ.66.3329
DO - 10.1143/JPSJ.66.3329
M3 - Article
VL - 66
SP - 3329
EP - 3332
JO - Journal of the Physical Society of Japan
JF - Journal of the Physical Society of Japan
SN - 0031-9015
IS - 11
ER -