Journal
ASTROPHYSICAL JOURNAL
Volume 596, Issue 1, Pages L121-L124Publisher
IOP PUBLISHING LTD
DOI: 10.1086/379156
Keywords
acceleration of particles; instabilities; magnetic fields
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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 ( 1) the generation of long-lived near-equipartition (electro) magnetic fields, ( 2) nonthermal particle acceleration, and ( 3) 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 subrelativistic colliding streams of particles, which are present in gamma-ray bursters, supernova remnants, relativistic jets, pulsar winds, etc.
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