We address the problem of a description of plasma dynamics by means of magnetohydrodynamic models coupling the macroscopic, large scale fluid behavior, with the microscopic degrees of freedom. Three relevant subjects in this direction are described: the "algebrization" of dissipation in magnetohydrodynamics via the metriplectic formalism, a stochastic field theory for magnetohydrodynamics and a fractal model for fast magnetic reconnection.
Sub-fluid models in dissipative magneto-hydrodynamics
Massimo Materassi;
2012
Abstract
We address the problem of a description of plasma dynamics by means of magnetohydrodynamic models coupling the macroscopic, large scale fluid behavior, with the microscopic degrees of freedom. Three relevant subjects in this direction are described: the "algebrization" of dissipation in magnetohydrodynamics via the metriplectic formalism, a stochastic field theory for magnetohydrodynamics and a fractal model for fast magnetic reconnection.File in questo prodotto:
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Descrizione: Sub-fluid models in dissipative magneto-hydrodynamics
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