An isochron-based expansion produces second- and third-order phase equations for the MF-CGLE that include non-pairwise interactions responsible for its collective chaos at moderate coupling.
The linearization of (22) around ρ1 = 0 and ρn ̸= 0 (|n| ≥ 2) is (schematically) as follows: d dt δρ1 δρ∗ 1 δρ2 δρ∗ 2
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Phase reduction beyond the first order: the case of the mean-field complex Ginzburg-Landau equation
An isochron-based expansion produces second- and third-order phase equations for the MF-CGLE that include non-pairwise interactions responsible for its collective chaos at moderate coupling.