Inferring the time-dependent complex Ginzburg-Landau equation from modulus data

Details Inferring the time-dependent complex Ginzburg-Landau equation from modulus data Inferring the time-dependent complex Ginzburg-Landau equation from modulus data

2005-01-04

arxiv.org/abs/math-ph/0501006v1

Physics

Mathematical Physics

9 pages, 9 figures

Scientific paper

10.1103/PhysRevE.72.056711

We present a formalism for inferring the equation of evolution of a complex wave field that is known to obey an otherwise unspecified (2+1)-dimensional time-dependent complex Ginzburg-Landau equation, given field moduli over three closely-spaced planes. The phase of the complex wave field is retrieved via a non-interferometric method, and all terms in the equation of evolution are determined using only the magnitude of the complex wave field. The formalism is tested using simulated data for a generalized nonlinear system with a single-component complex wave field. The method can be generalized to multi-component complex fields.

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