FORMATION OF CURRENT SHEETS IN A PLASMA WITH A FROZEN-IN STRONG MAGNETIC FIELD.
FORMATION OF CURRENT SHEETS IN A PLASMA WITH A FROZEN-IN STRONG MAGNETIC FIELD.
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具有冻结的强磁场的等离子体中电流片的形成。
DOI：
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发表时间：
1971
期刊：
影响因子：
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通讯作者：
S. Syrovatskii
中科院分区：
文献类型：
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作者：
S. Syrovatskii
本文研究了在强磁场中冻结的等离子体在缓慢运动过程中出现电流片（中性）的条件。它示出的电流片在二维情况下的外观的必要条件是在磁场中的中性线的存在。研究了电流片附近的场结构，提出了一种确定满足给定边界条件的场的方法。结果表明，在一般情况下，正向和反向电流存在于片。然而，在特殊条件下，当层中的总电流以特定的方式与外场相匹配时，反向电流不存在，并且场的结构对应于熟悉的自相似解。
The conditions for the appearance of current (neutral) sheets during slow movements of a plasma with a frozen-in strong magnetic field are investigated. It is shown that a necessary condition for the appearance of a current sheet in the two-dimensional case is the presence of a neutral line in the magnetic field. The structure of the field in the vicinity of the current sheet is investigated and a method is proposed for the determination of a field satisfying prescribed boundary conditions. It is shown that, in the general case, forward and backward currents exist in the sheet. Under special conditions, however, when the total current in the layer is matched in a specific manner to the external field, backward currents are absent and the structure of the field corresponds to that of the familiar selfsimilar solutions.