We have studied the non-resonant streaming instability of charged energetic particles moving through a background plasma, discovered by Bell (2004). We confirm his numerical results regarding a significant magnetic field amplification in the system. A detailed physical picture of the instability development and of the magnetic field evolution is given.
@article{arxiv.0801.4486,
title = {Modeling Bell's Non-resonant Cosmic Ray Instability},
author = {V. N. Zirakashvili and V. S. Ptuskin and H. J. Voelk},
journal= {arXiv preprint arXiv:0801.4486},
year = {2009}
}