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Magnetohydrodynamic equilibria in a straight magnetic quadrupole field

J.C.B. Papaloizou, I. Rebelo, J.J. Field, C.L. Thomas, F.A. Haas1977年被引用 14Nuclear FusionIF 3出版社

A straight, uniform-current, elliptic-cross-section plasma maintained in equilibrium by a quadrupole field is studied. Asymptotic analysis is used to show the existence of an 'infinity' of bifurcation points. Numerical investigation confirms the analysis and yields examples of m = 2 (elliptical), m = 3 ('pear-shaped'), and m = 4 configurations. Further analysis shows the possibility of multi-columnar equilibria. The role of constraints with respect to elliptic equilibria is discussed.

日本語訳

直線状で一様電流を有し、四重極場によって平衡に保たれた楕円断面プラズマを研究した。漸近解析を用いて、無限個の分岐点の存在を示す。数値的検証はこの解析を裏付け、m = 2(楕円形)、m = 3(「洋梨形」)、およびm = 4の配位の例を与える。さらなる解析は、多柱状平衡の可能性を示す。楕円平衡に関する拘束条件の役割について考察する。

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Magnetohydrodynamics
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