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Interpenetrating plasma shells: near-equipartition magnetic field generation and non-thermal particle acceleration | | L. O. Silva
; R. A. Fonseca
; J. Tonge
; J. M. Dawson
; W. B. Mori
; M. V. Medvedev
; | | Date: |
29 Jul 2003 | | Journal: | Astrophys.J. 596 (2003) L121-L124 | | Subject: | astro-ph | | Affiliation: | GoLP/IST, Portugal), J. Tonge, J. M. Dawson, W. B. Mori (UCLA), M. V. Medvedev (UKansas | | Abstract: | We present the first three-dimensional fully kinetic electromagnetic relativistic particle-in-cell simulations of the collision of two interpenetrating plasma shells. The highly accurate plasma-kinetic "particle-in-cell" (with the total of $10^8$ particles) parallel code OSIRIS has been used. Our simulations show: (i) the generation of long-lived near-equipartition (electro)magnetic fields, (ii) non-thermal particle acceleration, and (iii) short-scale to long-scale magnetic field evolution, in the collision region. Our results provide new insights into the magnetic field generation and particle acceleration in relativistic and sub-relativistic colliding streams of particles, which are present in gamma-ray bursters, supernova remnants, relativistic jets, pulsar winds, etc.. | | Source: | arXiv, astro-ph/0307500 | | Services: | Forum | Review | PDF | Favorites | |
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