Commentary on “Mechanical properties of monodomain side chain nematic elastomers” by P. Martinoty et al.
Department of Physics and Astronomy, University of Pennsylvania, PA 19104, Philadelphia, USA
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We discuss the rheology experiments on nematic elastomers by Martinoty et al. in the light of theoretical models for the long-wavelength low-frequency dynamics of these materials. We review these theories and discuss how they can be modified to provide a phenomenological description of the non-hydrodynamic frequency regime probed in the experiments. Moreover, we review the concepts of soft and semi-soft elasticity and comment on their implications for the experiments.
© EDP Sciences, Società Italiana di Fisica, and Springer-Verlag, 2004