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Journal Article

Flow properties of the optically isotropic tetrahedratic phase

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Brand,  H. R.
MPI for Polymer Research, Max Planck Society;

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Pleiner,  Harald
MPI for Polymer Research, Max Planck Society;

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Citation

Brand, H. R., Pleiner, H., & Cladis, P. E. (2002). Flow properties of the optically isotropic tetrahedratic phase. European Physical Journal E, 7(2), 163-166.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-6697-4
Abstract
We discuss the coupling between flow and other hydrodynamic variables that can occur in the optically isotropic tetrahedratic phase (T-d) characterized by a third rank, tensor order parameter T-ijk. We point, out that an applied electric fold or an applied temperature gradient will lead to flow. Reciprocally we predict that, for example, a shear flow applied to a tetrahedratic phase leads to an induced electric Field and a temperature gradient. Similarities to recent experimental observations in the vicinity of the isotropic-B7 phase transitions in materials formed by banana-shaped molecules are discussed.