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Spatio-temporal chaos and patterns Pattern formation and spatio-temporal chaos in nonequilibrium media have been investigated. New models of spatio-temporal chaos were constructed in which nonlinear fields are represented as an ensemble of interacting topological defects arising in regular lattices, vortex waves propagating in zonal flows, and spiral waves in isotropic dissipative media.
Fig. 1. Patterns formed at parametric excitation of waves on the surface of a liquid:
а) ensemble of topological defects in a tetragonal lattice; b) spiral waves.
Fig. 2. Soliton-like dissipative structures in a quasi-two-dimensional jet zonal flow |
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