Weakly dissipative plasma equilibria in Kerr geometry

Weakly dissipative plasma equilibria in Kerr geometry

Axisymmetric neutral plasma equilibria of electrons and ions near black holes can be constructed from solutions of ideal multifluid equations; the solutions for the ions are obtained from a modified Grad–Shafranov code for the stream function. The density and the flux functions are determined self-c...

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Veröffentlicht in:Physics of plasmas 2004-01, Vol.11 (1), p.278-285
Hauptverfasser: Elsässer, Klaus, Kot, Yauhen
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description Axisymmetric neutral plasma equilibria of electrons and ions near black holes can be constructed from solutions of ideal multifluid equations; the solutions for the ions are obtained from a modified Grad–Shafranov code for the stream function. The density and the flux functions are determined self-consistently from the normalization of the Eulerian four-velocity and a simple dissipation model for the ions, respectively. Solutions with moderate or vanishing toroidal velocity exist, but the black hole receives matter only in nonequilibrium situations.
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title Weakly dissipative plasma equilibria in Kerr geometry
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