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Regensburg 2013 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 27: Fluid Dynamics and Turbulence

DY 27.2: Talk

Thursday, March 14, 2013, 09:45–10:00, H48

Burgers turbulence from the functional renormalisation group: universal properties of momentum dependent correlation functions — •Steven Mathey, Thomas Gasenzer, and Jan Martin Pawlowski — ITP, Philosophenweg 16, 69120 Heidelberg

The stochastic Burgers' equation is studied as a toy model for Navier-Stokes turbulence. Non perturbative scaling of a randomly stirred fluid in a stationary state is investigated with the functional renormalisation group. We make a truncation with a very general, momentum dependent, two points correlation function and write a fixed point condition which is to be solved recursively. We extract scaling exponents that agree with a similar work on the KPZ equation.

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