In nuclear fusion plasma, open magnetic systems have advantages, including high beta, no neoclassical radial transport, ease preservation, and. In nuclear fusion plasma, open magnetic systems have advantages, including high beta, no neoclassical radial transport, ease preservation. It is found that for some choices of separatrix radius and separatrix beta, no equilibria exist. Journal. No case herein exceeds more than 34% of the. The total toroidal flux, Φtotal, of the equilibrium with vanishing plasma beta (no plasma pres-. b)The corresponding n=1 [] Callen J. Efficient conversion of fusion energy into the thermal energy in a thermonuclear reactor is, therefore, of great technological relevance and in this paper the. Chapter 6: Steady state. PLASMA PHYSICS AND FUSION TECHNOLOGY (S70). Long-pulse plasmas created in the Experimental Advanced Superconducting Tokamak (EAST) mark another advance in fusion. In nuclear fusion plasma, open magnetic systems have advantages, including high beta, no neoclassical radial transport, ease preservation, and. beta