Nonlinear Processes in Geophysics www.nonlin-processes-geophys.net 1023-5809 1607-7946 15 4 2008 10.5194/npg-15-701-2008 http://www.nonlin-processes-geophys.net/15/701/2008/ http://www.nonlin-processes-geophys.net/15/701/2008/npg-15-701-2008.html http://www.nonlin-processes-geophys.net/15/701/2008/npg-15-701-2008.pdf 701 709 2008-08-27 Turning the resistive MHD into a stochastic field theory M. Materassi massimo.materassi@fi.isc.cnr.it G. Consolini Istituto dei Sistemi Complessi, Consiglio Nazionale delle Ricerche, 50019 Sesto Fiorentino (Firenze), Italy Istituto di Fisica dello Spazio Interplanetario, Istituto Nazionale di Astrofisica, 00133 Roma, Italy Classical systems stirred by random forces of given statistics may be described via a path integral formulation in which their degrees of freedom are stochastic variables themselves, undergoing a multiple-history probabilistic evolution. This framework seems to be easily applicable to resistive Magneto-Hydro-Dynamics (MHD). 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