Nonthermal plasmas around black holes, relevant collective modes, new configurations, and magnetic field amplification
- Authors: Coppi B.1
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Affiliations:
- Massachusetts Institute of Technology
- Issue: Vol 43, No 3 (2017)
- Pages: 289-297
- Section: Space Plasma
- URL: https://journals.rcsi.science/1063-780X/article/view/186489
- DOI: https://doi.org/10.1134/S1063780X17030059
- ID: 186489
Cite item
Abstract
The radiation emission from Shining Black Holes is most frequently observed to have nonthermal features. It is therefore appropriate to consider relevant collective processes in plasmas surrounding black holes that contain high energy particles with nonthermal distributions in momentum space. A fluid description with significant temperature anisotropies is the simplest relevant approach. These anisotropies are shown to have a critical influence on: (a) the existence and characteristics of stationary plasma and field ring configurations, (b) the excitation of “thermo-gravitational modes” driven by temperature anisotropies and gradients that involve gravity and rotation, (c) the generation of magnetic fields over macroscopic scale distances, and (d) the transport of angular momentum.
About the authors
B. Coppi
Massachusetts Institute of Technology
Author for correspondence.
Email: coppi@mit.edu
United States, Cambridge, MA