Cosmic ray streaming instability generated in the intergalactic medium
Journal
Date Issued
2015
Author(s)
Abstract
We study the effects of the cosmic ray instabilities excited by the current associated with an
inhomogeneous distribution of sources of extragalactic cosmic rays, with average density ns. We
find that under certain conditions, the resulting current can excite a non-resonant instability that
forces particles with energy below some critical value to be confined within a distance n−1/3 s
from the sources. This also causes the existence of a pervasive intergalactic magnetic field with a strength of order ∼ 0.01 nG.
Coverage
34th International Cosmic Ray Conference (ICRC2015)
Volume
34
Start page
534
Conferenece
The 34th International Cosmic Ray Conference (ICRC2015)
Conferenece place
The Hague, The Netherlands
Conferenece date
30 July- 6 August, 2015
Issn Identifier
1824-8039
Ads BibCode
2015ICRC...34..534D
Rights
open.access
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