Dynamical scaling of the quantum Hall plateau transition
  Using different experimental techniques we examine the dynamical scaling of the quantum Hall plateau transition in a frequency range f = 0.1-55 GHz. We present a scheme that allows for a simultaneous scaling analysis of these experiments and all other data in literature. We observe a universal scaling function with an exponent kappa = 0.5 +/- 0.1, yielding a dynamical exponent z = 0.9 +/- 0.2. 
F. Hohls, U. Zeitler, R.J. Haug, R. Meisels, K. Dybko, F. Kuchar