反向场箍缩中自组织螺旋态的最小约束模型
A minimally constrained model of self-organized helical states in reversed-field pinches
摘要：
我们表明，自组织的单螺旋轴（SHAX）和双螺旋轴（DAX）状态在反向场箍缩可以复制在一个最小的约束平衡模型，仅使用五个参数。这是对以前的SHAX表示的显著减少，它需要无限数量的约束。DAx状态具有非平凡的拓扑结构，以前没有使用保持这种拓扑结构的平衡模型来复制。我们表明，这两种状态是在等离子体核心的传输势垒形成的结果，与实验结果一致。
英文摘要：
We show that the self-organized single-helical-axis (SHAx) and double-helical-axis (DAx) states in reversed field pinches can be reproduced in a minimally constrained equilibrium model using only five parameters. This is a significant reduction on previous representations of the SHAx which have required an infinite number of constraints. The DAx state, which has a non-trivial topology, has not been previously reproduced using an equilibrium model that preserves this topological structure. We show that both states are a consequence of transport barrier formation in the plasma core, in agreement with experimental results.
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