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Particle Acceleration and Diffusion in Fossil Radio Plasma

Published online by Cambridge University Press:  30 March 2016

Torsten A. Enβlin
Torsten A. Enβlin*
Affiliation:
Max-Planck-Institut für Astrophysik, Garching, Germany

Abstract

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The strong activity of radio galaxies should have led to a nearly ubiquitous presence of fossil radio plasma in the denser regions of the inter-galactic medium as clusters, groups and filaments of galaxies. This fossil radio plasma can contain large quantities of relativistic particles (electrons and possibly protons) by magnetic confinement. These particles might be released and/or re-energized under environmental influences as turbulence and shock waves. Possible connections of such processes to the formation of the observed sources of diffuse radio emission in clusters of galaxies (the cluster radio halos and the cluster radio relics) are discussed.

Type
II. Joint Discussions
Information
Highlights of Astronomy , Volume 12: Highlights of Astronomy. As presented at the XXIVth General Assembly of the IAU, 2000 , 2002 , pp. 528 - 530
Copyright
Copyright © Astronomical Society of Pacific 2002

References

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