A Comprehensive Theory of the Equilibria in a Tokamak and a Reversed Field Pinch

概要

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The equilibriurn configuration of a tokamak is analysed by the equilibrium equations derivedfor analysing a reversed field pinch (RFP). The expressions of the magnetic field and the toroidalshift in the internal plasma region and the external vactrum region are obtained. The expressionsin the vacuum region become the Shafranov's expressions, when the plasrna-center coordinatesis used. Discontinuities of the equilibrium quantities are considered. It is concluded that theequilibrium equations are applicable also to the tokamak plasma and that the difference of theequilibria between the tokamak and the RFP stems from the choices of the pressure and thetoroidal current function. A feature of our theory is that any ordering to the safety factor is notimposed.
社団法人日本物理学会の論文
1996-09-15