Boella E, Bingham R, Cairns R A, Norreys P, Trines R, Scott R, Vranic M, Shukla N, Silva L O
Department of Physics, University of Lancaster, Lancaster, UK.
The Cockcroft Institute, Sci-Tech Daresbury, Warrington, UK.
Philos Trans A Math Phys Eng Sci. 2021 Jan 25;379(2189):20200039. doi: 10.1098/rsta.2020.0039. Epub 2020 Dec 7.
Two-dimensional particle-in-cell simulations are used to explore collisionless shock acceleration in the corona plasma surrounding the compressed core of an inertial confinement fusion pellet. We show that an intense laser pulse interacting with the long scale-length plasma corona is able to launch a collisionless shock around the critical density. The nonlinear wave travels up-ramp through the plasma reflecting and accelerating the background ions. Our results suggest that protons with characteristics suitable for ion fast ignition may be achieved in this way. This article is part of a discussion meeting issue 'Prospects for high gain inertial fusion energy (part 2)'.
二维粒子模拟用于探究惯性约束聚变靶丸压缩核心周围日冕等离子体中的无碰撞激波加速。我们表明，与长标度长度等离子体日冕相互作用的强激光脉冲能够在临界密度周围引发无碰撞激波。非线性波沿斜坡向上传播，穿过等离子体，反射并加速背景离子。我们的结果表明，通过这种方式可以获得具有适合离子快速点火特性的质子。本文是“高增益惯性聚变能源前景（第2部分）”讨论会议文集的一部分。
