标题： 探索新颖的紧凑型准轴对称恒星仪 显示英文标题

标题： Exploring novel compact quasi-axisymmetric stellarators

摘要： 一类具有宽范围磁场周期的新紧凑型准轴对称磁笼式仿星器，为结合两种主要的磁约束聚变装置——托卡马克和仿星器的优势提供了独特潜力。 这里我们展示了对该类装置的首次数值优化，而到目前为止，此类优化仅能通过解析方法实现。 我们的方法在纵比值为$< 2.5$的情况下找到了显著改进的准轴对称平衡态，使得反应堆体积内的 α 粒子没有损失，同时满足改善的磁流体力学稳定性以及自洽等离子体电流条件。 显示英文摘要

摘要： The new class of compact quasi-axisymmetric stellarators with a wide range of field periods offers the unique potential to combine the advantages of the two leading magnetic confinement fusion devices, tokamaks and stellarators. Here we present the first numerical optimization of this class which has so far only been obtained analytically. Our approach finds significantly improved quasi-axisymmetric equilibria at aspect ratio $< 2.5$, resulting in no losses of alpha particles at reactor volume while also satisfying improved magnetohydrodynamic stability and a self-consistent plasma current.