Anomalous scaling on a spatiotemporally chaotic attractor.

Phys Rev E Stat Nonlin Soft Matter Phys

Department of Mathematics, Simon Fraser University, Burnaby, British Columbia, Canada V5A 1S6.

Published: May 2009

AI Article Synopsis

  • The Nikolaevskiy model shows spatiotemporal chaos with distinct scale separation in pattern formation.
  • Extensive numerical studies uncover unexpected scaling behavior in long-wave modes, with discrepancies from traditional analysis methods.
  • Adding higher-order corrections to existing theories helps reconcile the anomalous scaling observed in the model.

Article Abstract

The Nikolaevskiy model for pattern formation with continuous symmetry exhibits spatiotemporal chaos with strong scale separation. Extensive numerical investigations of the chaotic attractor reveal unexpected scaling behavior of the long-wave modes. Surprisingly, the computed amplitude and correlation time scalings are found to differ from the values obtained by asymptotically consistent multiple-scale analysis. However, when higher-order corrections are added to the leading-order theory of Matthews and Cox, the anomalous scaling is recovered.

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Source
http://dx.doi.org/10.1103/PhysRevE.79.056225DOI Listing

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