Spatiotemporal rheochaos in nematic hydrodynamics |
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| Authors: | Chakrabarti Buddhapriya Das Moumita Dasgupta Chandan Ramaswamy Sriram Sood A K |
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| Affiliation: | Department of Physics, Indian Institute of Science, Bangalore 560012, India. buddho@physics.umass.edu |
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| Abstract: | Motivated by recent observations of rheochaos in sheared wormlike micelles, we study the coupled nonlinear partial differential equations for the hydrodynamic velocity and order-parameter fields in a sheared nematogenic fluid. In a suitable parameter range, we find irregular, dynamic shear banding and establish by decisive numerical tests that the chaos we observe in the model is spatiotemporal in nature. |
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