COMPLEX GINZBURG-LANDAU
∂A/∂t = A + (1+ib)∇²A − (1+ic)|A|²A — spiral waves, chaos, dissipative solitons.
b (dispersion)
-1.0
c (nonlin disp)
3.0
dt
0.02
Display
Amplitude |A|
Phase arg(A)
Re(A)
Reinit spiral
Add noise
Pause
Steps:
0
Mode:
spiral
CGLE: Benjamin-Feir instability when 1+bc<0