902 citations · 13.4k across the 263 of their papers we have counts for
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astro-ph2004
Relativistic Shocks and Ultra High Energy Cosmic Ray Origin
Jacek Niemiec
The current status of the theory of particle acceleration at relativistic shocks is presented, and a few possible scenarios for ultra-high-energy cosmic ray production at such shoc…
astro-ph2004★ 83 cited
Cosmic Ray Acceleration at Relativistic Shock Waves with a "Realistic" Magnetic Field Structure
Jacek Niemiec, Michal Ostrowski
The process of cosmic ray first-order Fermi acceleration at relativistic shock waves is studied with the method of Monte Carlo simulations. The simulations are based on numerical i…