具有不同几何形状和屏蔽管的螺旋线圈中电流传播的理论模型

IF 4.8 1区物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY

Matter and Radiation at Extremes Pub Date : 2024-08-26 DOI:10.1063/5.0221820

C. L. C. Lacoste, A. Hirsch, E. d’Humières, V. T. Tikhonchuk, P. Antici, M. Bardon

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引用次数: 0

摘要

建立了一个电流在不同几何形状的螺旋线圈中传播的分析模型。该模型可用于通过激光驱动的目标法向鞘加速和产生电磁脉冲而产生的离子的后加速和后聚焦。我们计算了在螺旋线圈中传播的电流，并提出了一种使用屏蔽管以及间距和半径变化来改善其分散特性的方法。用分析模型计算出的电磁场与粒子入胞模拟结果一致。该模型深入揭示了电流在不同几何形状的螺旋线圈中传播的物理原理，并可用于快速质子光谱计算的数值实现，这有助于为未来的实验设计此类线圈。

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Theoretical model of current propagation in a helical coil with varying geometry and screen tube

An analytical model of current propagation in a helical coil with varying geometry is developed. It can be used for post-acceleration and post-focusing of ions produced via laser-driven target normal sheath acceleration and generation of electromagnetic pulses. We calculate the current that propagates in a helical coil and suggest a method for improving its dispersion properties using a screening tube and with pitch and radius variation. The electromagnetic fields calculated with the analytical model are in agreement with particle-in-cell simulations. The model provides insights into the physics of current propagation in helical coils with varying geometries and enables a numerical implementation for rapid proton spectrum computations, which facilitate the design of such coils for future experiments.

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来源期刊

Matter and Radiation at Extremes Physics and Astronomy-Atomic and Molecular Physics, and Optics

CiteScore

8.60

自引率

9.80%

发文量

160

审稿时长

15 weeks

期刊介绍： Matter and Radiation at Extremes (MRE), is committed to the publication of original and impactful research and review papers that address extreme states of matter and radiation, and the associated science and technology that are employed to produce and diagnose these conditions in the laboratory. Drivers, targets and diagnostics are included along with related numerical simulation and computational methods. It aims to provide a peer-reviewed platform for the international physics community and promote worldwide dissemination of the latest and impactful research in related fields.