Laser-Driven Proton-Only Acceleration in a Multicomponent Near-Critical-Density Plasma

IF 8.1 1区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY Physical review letters Pub Date : 2024-11-06 DOI:10.1103/physrevlett.133.195102
Y. Sakawaet al.
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Abstract

An experimental investigation of collisionless shock ion acceleration is presented using a multicomponent plasma and a high-intensity picosecond duration laser pulse. Protons are the only accelerated ions when a near-critical-density plasma is driven by a laser with a modest normalized vector potential. The results of particle-in-cell simulations imply that collisionless shock may accelerate protons alone selectively, which can be an important tool for understanding the physics of inaccessible collisionless shocks in space and astrophysical plasma.
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多组分近临界密度等离子体中的激光驱动质子加速
本文介绍了利用多组分等离子体和高强度皮秒激光脉冲进行的无碰撞冲击离子加速实验研究。当接近临界密度的等离子体由具有适度归一化矢量势的激光驱动时,质子是唯一被加速的离子。粒子入胞模拟的结果表明,无碰撞冲击可选择性地单独加速质子,这对于了解太空和天体物理等离子体中难以接近的无碰撞冲击的物理原理是一个重要工具。
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来源期刊
Physical review letters
Physical review letters 物理-物理:综合
CiteScore
16.50
自引率
7.00%
发文量
2673
审稿时长
2.2 months
期刊介绍: Physical review letters(PRL)covers the full range of applied, fundamental, and interdisciplinary physics research topics: General physics, including statistical and quantum mechanics and quantum information Gravitation, astrophysics, and cosmology Elementary particles and fields Nuclear physics Atomic, molecular, and optical physics Nonlinear dynamics, fluid dynamics, and classical optics Plasma and beam physics Condensed matter and materials physics Polymers, soft matter, biological, climate and interdisciplinary physics, including networks
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