Static Plasma Confinement by Harmonic Magnetic Fields
1998 年 67 巻 1 号 p. 163-165
詳細
1998 年 67 巻 1 号 p. 163-165
A new class of magnetic fields, deduced from the extension of force-free fields to the complex domain, is presented. The compatibility of such kind of fields with the magnetic diffusion equation for harmonic fields, in absence of plasma flow velocity, is shown. This allows to produce a static Lorentz force density in a resistive plasma and possibly to balance pressure forces in the momentum equation. An explicit example of equilibrium solution for a cylindrical plasma column with scalar pressure is presented and its connections with previous experimental results are discussed. Some discussion is also devoted to the question of the existence of this kind of closed equilibria.
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