Critical behavior associated with quasiperiodicity at the goldenmean frequency ratio 


Description This type of critical behavior occurs in twoparameter analysis of transition to chaos via the twodimensional torus. It is known after Feigenbaum, Kadanoff, Shenker; Rand, Ostlund and Siggia.
RG equation
The fixed point of the RG equation
The orbital scaling factor
Critical multiplier
Relevant eigenvalues
Codimension 
Circle map Attractor scaling with Parameter space Scaling with Scaling coordinates 