Particle acceleration in relativistic outflows
Andrei Bykov, Neil Gehrels, Henric Krawczynski, Martin, Lemoine, Guy Pelletier, Martin Pohl
TL;DR
This review examines the current theories of particle acceleration in relativistic outflows and compares them with recent observations across different astrophysical sources, discussing their role in producing ultra-high-energy cosmic rays.
Contribution
It provides a comprehensive comparison of theoretical models with observational data for relativistic outflows in various astrophysical sources.
Findings
Relativistic outflows are key sites for particle acceleration.
Observations support the potential of these sources to produce ultra-high-energy cosmic rays.
Theoretical models are increasingly aligned with recent observational results.
Abstract
In this review we confront the current theoretical understanding of particle acceleration at relativistic outflows with recent observational results on various source classes thought to involve such outflows, e.g. gamma-ray bursts, active galactic nuclei, and pulsar wind nebulae. We highlight the possible contributions of these sources to ultra-high-energy cosmic rays.
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