Generalized relaxation theory and vortices in plasmas

Details Generalized relaxation theory and vortices in plasmas Generalized relaxation theory and vortices in plasmas

Oct 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrve..52.4287o&link_type=abstract

Physical Review E (Statistical Physics, Plasmas, Fluids, and Related Interdisciplinary Topics), Volume 52, Issue 4, October 1995

Physics

6

Magnetic Confinement And Equilibrium, Magnetohydrodynamics And Plasmas

Scientific paper

We present a generalization of the relaxation theory based on the canonical momentum of each species fluid in a multicomponent plasma. The generalized helicity, as a topological quantity, has a lifetime larger than the lifetime of the energy. We then propose a simple variational principle that suggests the existence of vortex structures. We study localized solutions, assuming the existence of a separatrix. Two-dimensional and three-dimensional solutions are studied for an electron-positron-proton plasma. Ideal magnetohydrodynamic three-dimensional localized vortices are studied as well. Possible cosmological implications are discussed.

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