Asymptotic freedom, non-Gaussian perturbation theory, and the application of renormalization group theory to isotropic turbulence.
A model equation with an extended range of asymptotic freedom is used as the basis of a non-Gaussian perturbation expansion in powers of the control parameter of the conditional average. Re-expansion in the local Reynolds number allows the systematic rederivation of an earlier, heuristic theory [W. D. McComb and A. G. Watt, Phys. Rev. Lett. 65, 3281 (1990)].
McComb
W D
WD
School of Physics, University of Edinburgh, Mayfield Road, Edinburgh EH9 3JZ, United Kingdom. w.d.mccomb@ed.ac.uk