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30th International Cosmic Ray Conference

3-11 July 2007
Merida, Mexico
Mexico/General timezone
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Contribution Oral

Merida, Mexico - Uxmal + Tulum (Holiday Inn)
OG.1.4
OG 1.4+2.2

A kinetic approach to non resonant modes and growth rates of streaming instability: consequences for shock acceleration

Speakers

  • Dr. Pasquale BLASI

Primary authors

Co-authors

  • Dr. Elena AMATO (INAF/Osservatorio Astrofisico di Arcetri & INFN L'Aquila)

Files

Abstract content

We present the results of a kinetic calculation of the growth rates of non resonant modes excited by streaming cosmic rays in non-relativistic shock waves. We show how different assumptions for the compensating current lead to the appearance of different modes with different growth rates. We discuss the conditions under which the modes are non resonant (a la Bell) and lead to large growth rates and large amplified magnetic fields in the shock vicinity.

Reference

Proceedings of the 30th International Cosmic Ray Conference; Rogelio Caballero, Juan Carlos D'Olivo, Gustavo Medina-Tanco, Lukas Nellen, Federico A. Sánchez, José F. Valdés-Galicia (eds.); Universidad Nacional Autónoma de México, Mexico City, Mexico, 2008; Vol. 2 (OG part 1), pages 235-238