Monte Carlo simulations of energetic particle transport in weakly inhomogeneous magnetic fields – I. Particle acceleration in relativistic shock waves with oblique magnetic fields
Monte Carlo simulations of energetic particle transport in weakly inhomogeneous magnetic fields – I. Particle acceleration in relativistic shock waves with oblique magnetic fields
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DOI：
10.1093/mnras/249.3.551
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发表时间：
1991-04
影响因子：
4.8
通讯作者：
M. Ostrowski
中科院分区：
文献类型：
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作者：
M. Ostrowski
Kirk J.G.的一种扩展形式。和Schneider P.（1988，Astron.Astrophys.，201)提出了一种模拟弱扰动磁场中高能粒子输运的方法。该方法基于平均场+磁场扰动分解，即粒子在平均场中沿着不受扰动的绝热轨道传播，而通过在有限时间步长内扰动轨道参数来考虑磁场的不均匀性。对于该方法的应用，实现了在相对论冲击波与斜磁场的粒子激波加速的模拟。
An extended form of the Kirk J. G. and Schneider P. (1988, Astron. Astrophys., 201) method for simulation of energetic particle transport in weakly disturbed magnetic fields is presented. It is based on the mean field + perturbations decomposition of magnetic field, i.e. a particle is considered to propagate in the mean field along its undisturbed adiabatic trajectory, while the magnetic field inhomogeneities are allowed for by perturbing the trajectory parameters in finite time-steps. For the application of the method, a simulation of a particle shock acceleration in relativistic shock waves with oblique magnetic fields is realised.