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The Theory of Efficient Particle Acceleration at Shocks
Conference proceeding   Open access   Peer reviewed

The Theory of Efficient Particle Acceleration at Shocks

Damiano Caprioli, Colby Haggerty and Pasquale Blasi
Pos : proceedings of science, Vol.395, 482
03/18/2022
DOI: 10.22323/1.395.0482
url
https://doi.org/10.22323/1.395.0482 View
Published (Version of record) Open Access

Abstract

The recent discoveries in the theory of diffusive shock acceleration (DSA) that stem from first-principle kinetic plasma simulations are discussed. When ion acceleration is efficient, the back-reaction of non-thermal particles and self-generated magnetic fields becomes prominent and leads to both enhanced shock compression and particle spectra significantly softer than the standard test-particle DSA theory. These results are discussed in the context of the non-thermal phenomenology of astrophysical shocks, with a special focus on the supernova remnant SN1006.

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