Transport of Cosmis rays in Chaotic Magnetic Fields

Details Transport of Cosmis rays in Chaotic Magnetic Fields Transport of Cosmis rays in Chaotic Magnetic Fields

May 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001sf2a.conf..429c&link_type=abstract

Abstracts from SF2A-2001: Semaine de l'Astrophysique Francaise, meeting held in Lyon, France, May 28-June 1st, 2001, Eds.: F. Co

Astronomy and Astrophysics

Astrophysics

Scientific paper

This talk will deal with the interaction of ultra-high energy cosmic rays with a turbulent magnetic field. We modelize a Kolmogorov's spectrum MHD turbulence using Monte-Carlo techniques and study the diffusion of the protons through this turbulence (= Bo + δ B). We find that a diffusion regime exists for protons and that an enhanced chaotic diffusion takes place for transverse diffusion. We also confirm the quasi-linear theory prediction for diffusion coefficients when the turbulence level is low and Bohm's regime at very high turbulence level.(Work done in collaboration with M.Lemoine (IAP) and G.Pelletier(LAOG))

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