Mazenko, Gene F. ; Ramaswamy, Sriram ; Toner, John (1982) Viscosities diverge as 1/ω in smectic-A liquid crystals Physical Review Letters, 49 (1). pp. 51-53. ISSN 0031-9007
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Official URL: http://link.aps.org/doi/10.1103/PhysRevLett.49.51
Related URL: http://dx.doi.org/10.1103/PhysRevLett.49.51
Abstract
The nonlinear coupling between the velocity field and the layer-displacement field leads to a radical breakdown of the conventional hydrodynamical theory for smectic-A liquid crystals. Three of the five viscosities are found to diverge as 1/ω for small frequencies ω with the result that the sound attenuation scales as ω (not ω2 as predicted by conventional hydrodynamics). It is also found that there is a simple relationship between the three diverging viscosities. Reanalysis of existing data appears to confirm the present prediction for the sound attenuation.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 40148 |
| Deposited On: | 21 May 2011 10:26 |
| Last Modified: | 21 May 2011 10:26 |
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