RENORMALIZATION-GROUP STUDY OF CORRELATION-FUNCTIONS AND COMPOSITE-OPERATORS IN THE STOCHASTIC MAGNETOHYDRODYNAMIC MODEL

By means of the renormalization-group approach, the scaling behavior o f the correlation functions in stochastic magnetohydrodynamics is stud ied for the case of developed turbulence. To complete the results obta ined previously, we investigate the infrared asymptotics of the Green' s functions with an arbitrary number of external field in both the ''k inetic'' and ''magnetic'' regimes. Special consideration is given to t he problem of dynamic scaling behavior in the magnetic regime. The cri tical dimensions of the composite operators of the energy functional a re calculated. Using the short-distance expansion, we find the relatio n between the correlation functions within the inertial range and the integral turbulence scale.