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On the structure of the boundary layer in a Beklemishev diamagnetic bubble

机译:在Beklemishev抗磁泡中边界层的结构

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The article provides a kinetic description of the plasma equilibrium in the Beklemishev diamagnetic trap, where the traditional approach based on the theory of magnetic drifts is not applicable, since the ions move in a substantially non-circular orbit, the diameter of which is approximately equal to the diameter of the diamagnetic bubble. The ion distribution function was found in the collisionless approximation, neglecting the diamagnetic electron current. The radial profile of the magnetic field, the plasma density, the current density, and the components of the pressure tensor are calculated. It was found that the width of the boundary layer in the diamagnetic bubble varies from 6 to 8 Larmor radii calculated by the vacuum magnetic field. An adiabatic invariant is calculated that replaces the magnetic moment, which is not conserved in the diamagnetic bubble. The criterion of absolute confinement is formulated and the plasma equilibrium is found for the case when the adiabatic invariant is not conserved and only ions whose velocity satisfies the criterion of absolute confinement are trapped.
机译:该物品提供了Beklemishev型陷阱中等离子体平衡的动力学描述,其中基于磁漂移理论的传统方法不适用,因为离子在基本上非圆形的轨道中移动,其直径大致相等到抗磁泡的直径。离子分布功能在碰撞近似下发现,忽略了抗磁电子电流。计算磁场的径向轮廓,等离子体密度,电流密度和压力张量的组分。结果发现,二磁气泡中的边界层的宽度从由真空磁场计算的6至8种拉马尔半径不同。计算绝热不变,以取代磁矩,该磁矩在抗磁泡不保守。制定绝对限制的标准,并且发现了当绝热不变的情况下不保守时的情况,并且仅捕获绝对限制的速度标准的离子的情况被捕获。

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