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Abstract

Within the framework of dissipationless multi-fluid theory for plasmas, all nonlinear perturbations of a stationary equilibrium that could be created from the equilibrium without breaking local entropy conservation are considered. Describing the fluid perturbations by Eulerian displacement vectors reveals a general symmetry and through Noether's theorem leads to a conservation law. Its relation to the law of energy conservation is discussed since it will be important for the generalization of the energy principle known for static equilibria in magnetohydrodynamics to an energy principle of stationary equilibria in the framework of a multi-fluid theory.

Additional information

Authors: UNVERZAGT M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physics of Plasmas, Vol. 5 (1998) No. 2, pp. 556-563
Record Number: 199810710 / Last updated on: 1998-06-08
Category: PUBLICATION
Original language: en
Available languages: en