Electroconvection with and without the Carr-Helfrich effect in a series of nematic liquid crystals

Physical Review E - Statistical, Nonlinear, and Soft Matter Physics

Volumn 70, Issue 1 1, 2004, Pages

  Kochowska, Elzbieta ^a,c   Németh, Szilárd ^a   Pelzl, Gerhard ^b   Buka, Ágnes ^a  

^a INSTITUTE OF EXPERIMENTAL MEDICINE   (Hungary)

^b MARTIN LUTHER UNIVERSITY HALLE WITTENBERG   (Germany)

^c INSTITUTE OF NUCLEAR PHYSICS   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

ANISOTROPY; DATA REDUCTION; DIELECTRIC MATERIALS; ELECTRIC CONDUCTIVITY; ELECTRIC FIELDS; MATHEMATICAL MODELS; PERMITTIVITY MEASUREMENT; TENSORS; THERMAL EFFECTS;

CARR-HELFRICH EFFECT; DIELECTRIC MODES (DM); ELECTROCONVECTION; SANDWICH GEOMETRY;

NEMATIC LIQUID CRYSTALS;

EID: 42749107736     PISSN: 15393755     EISSN: None     Source Type: Journal    
DOI: 10.1103/PhysRevE.70.011711     Document Type: Article

References (31)

1. M. C. Cross and P. C. Hohenberg, Rev. Mod. Phys. 65, 851 (1993).
2. J. P. Gollub and J. Langer, Rev. Mod. Phys. 71, S396 (1999).
3. P. G. de Gennes, The Physics of Liquid Crystals, 2nd ed. (Clarendon, Oxford, 1974).
4. Pattern Formation in Liquid Crystals, edited by L. Kramer and Á. Buka (Springer-Verlag, New York, 1996).
5. E. Bodenschatz, W. Zimmermann, and L. Kramer, J. Phys. (France) 49, 1875 (1988).
6. S. Nasuno, O. Sasaki, S. Kai, and W. Zimmerman, Phys. Rev. A 46, 4954 (1992).
7. J. H. Huh, Y. Hidaka, and S. Kai, Phys. Rev. E 58, 7355 (1998).
8. S. Rudroff, V. Frette, and I. Rehberg, Phys. Rev. E 59, 1814 (1999).
9. E. Plaut, W. Decker, A. Rossberg, L. Kramer, W. Pesch, A. Belaidi, and R. Ribota, Phys. Rev. Lett. 79, 2367 (1997).
10. R. Ribotta, A. Joets, and L. Lei, Phys. Rev. Lett. 56, 1595 (1986).
11. M. de la Torre Juarez and I. Rehberg, Phys. Rev. A 42, 2096 (1990).
12. M. Treiber, N. Éber, Á. Buka, and L. Kramer, J. Phys. II 7, 649 (1997).
13. M. Dennin, D. S. Cannell, and G. Ahlers, Phys. Rev. E 57, 638 (1998).
14. D. Funfschilling, B. Sammuli, and M. Dennin, Phys. Rev. E 67, 016207 (2003).
15. Á. Buka, B. Dressel, W. Otowski, K. Camara, T. Tóth-Katona, L. Kramer, J. Lindau, G. Pelzl, and W. Pesch, Phys. Rev. E 66, 051713 (2002).
16. B. Dressel and W. Pesch, Phys. Rev. E 67, 031707 (2003).
17. H. Deuling, Elasticity of Nematic Liquid Crystals (Academic, Kassel, Germany, 1978), p. 77.
18. Á Buka, Mol. Cryst. Liq. Cryst. 49, 159 (1979).
19. J. Jadzyn and P. Kedziora, Mol. Cryst. Liq. Cryst. 145, 17 (1987).
20. H. Kresse and D. Demus, in Forschungen uber flussige kristalle, edited by D. Demus (Martin-Luther-Universität Halle-Wittenberg, Halle, 1983), p. 59.
21. H. Kresse, A. Wiegeleben, and D. Demus, Krist. Tech. 15, 341 (1980).
22. S. Rasenat, G. Hartung, B. L. Winkler, and I. Rehberg, Exp. Fluids 7, 412 (1989).
23. Z. Váradi, Diploma thesis, Budapest University of Technology and Economics, 1998.
24. H. R. Brand, C. Fradin, P. L. Finn, W. Pesch, and P. E. Cladis, Phys. Lett. A 235, 508 (1998).
25. E. Plaut and W. Pesch, Phys. Rev. E 59, 1747 (1999).
26. W. Zimmermann and L. Kramer, Phys. Rev. Lett. 55, 402 (1985).
27. H. Kneppe, F. Schneider, and N. Sharma, Ber. Bunsenges. Phys. Chem. 85, 784 (1981).
28. H. Kneppe, F. Schneider, and N. Sharma, J. Chem. Phys. 77(6), 3203 (1982).
29. L. Blinov and V. Chigrinov, Electrooptic Effects in Liquid Crystal Materials (Springer, New York, 1994).
30. L. M. Blinov, Sci. Prog. 70, 263 (1986).
31. By observing moving dust particles we detected periodic motion (low) in the plane perpen-dicular to the stripes similarly in both the s-EC and ns-EC cases, which is a direct indication of convection.