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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 conservation law. Its relation to the law of energy conservation is discussed since it will be important for the generalization of the energy principle know 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: Report: IPP 6/347 EN (1997) 26pp.
Availability: Available from the Max-Planck-Institut für Plasmaphysik, 85748 Garching bei München (DE)
Record Number: 199710601 / Last updated on: 1997-05-09
Original language: en
Available languages: en