Convection-induced nonlinear symmetry breaking in wave mixing

Zambrini, Roberta and San Miguel, Maxi and Durniak, Céline and Taki, Majid (2005) Convection-induced nonlinear symmetry breaking in wave mixing. Physical Review E: Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics, 72 (2). ISSN 2470-0053 (https://doi.org/10.1103/PhysRevE.72.025603)

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Abstract

We show that the combined action of diffraction and convection (walk-off) in wave mixing processes leads to a nonlinear symmetry breaking in the generated traveling waves. The dynamics near to threshold is reduced to a Ginzburg-Landau model, showing an original dependence of the nonlinear self-coupling term on the convection. Analytical expressions of the intensity and velocity of traveling waves emphasize the utmost importance of convection in this phenomenon. These predictions are in excellent agreement with the numerical solutions of the full dynamical model.

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• Item metadata

  Item type:	Article
  ID code:	6421
  Dates:	Date Event 19 August 2005 Published
  Subjects:	Science > Physics > Plasma physics. Ionized gases
  Department:	Faculty of Science > Physics
  Depositing user:	Miss Darcy Spiller
  Date deposited:	16 Jun 2008
  Last modified:	11 Nov 2024 08:46
  URI:	https://strathprints.strath.ac.uk/id/eprint/6421