The acceleration of cosmic rays in shock fronts – I
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This article is published in Monthly Notices of the Royal Astronomical Society.The article was published on 1978-02-01 and is currently open access. It has received 2613 citations till now. The article focuses on the topics: Shock waves in astrophysics & Fermi acceleration.read more
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Time-dependent modelling of the Markarian 501 X-ray and TeV gamma-ray data taken during 1997 March and April
TL;DR: In this paper, the authors show that simple two-component models (with a soft, steady X-ray component plus a variable SSC component) involving substantial pre-acceleration of electrons to Lorentz factors on the order of γ m i n = 10 5 describe the data train surprisingly well.
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Cosmological magnetohydrodynamic simulations of galaxy cluster radio relics: insights and warnings for observations
Samuel W. Skillman,Hao Xu,Eric J. Hallman,Eric J. Hallman,Brian W. O'Shea,Jack O. Burns,Jack O. Burns,Hui Li,David C. Collins,Michael L. Norman +9 more
TL;DR: In this article, an adaptive mesh refinement simulation of the magnetohydrodynamic evolution of a galaxy cluster from cosmological initial conditions is used to locate shock fronts and apply models of cosmic-ray electron acceleration that are then input into radio emission models.
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Astrophysical origins of ultrahigh energy cosmic rays
TL;DR: In this article, the authors discuss the basic observational features at the end of the cosmic ray (CR) energy spectrum, and present the main characteristics of each of the experiments involved in the detection of these particles.
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Particle acceleration at a termination shock 1. Application to the solar wind and the anomalous component
TL;DR: In this article, the results of a numerical study of the diffusive acceleration of charged particles at the termination shock of the solar wind are reported, and it is demonstrated that the inclusion of the drifts has a large effect on the acceleration.
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Turbulence-induced magnetic fields and structure of cosmic ray modified shocks
TL;DR: In this article, the authors proposed a model for diffusive shock acceleration in which stochastic magnetic fields in the shock precursor are generated through purely fluid mechanisms of a so-called small-scale dynamo.