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Particle simulation of an ultrarelativistic two-stream instabilityx
Ruhr-University Bochum.
2005 (English)In: Physical Review Letters, ISSN 0031-9007, Vol. 94, no 15, 155001- p.Article in journal (Refereed) Published
Abstract [en]

A two-stream instability in an unmagnetized plasma is examined by a particle-in-cell simulation. Each beam initially consists of cold electrons and protons that stream at a relative Lorentz factor 100. This is representative for plasma close to the external shocks of gamma-ray bursts. An electrostatic wave develops which saturates by trapping electrons. This wave collapses and the resulting electrostatic turbulence gives an electron momentum distribution that resembles a power law with a spectral break. Some electrons reach Lorentz factors over 1000. © 2005 The American Physical Society.

Place, publisher, year, edition, pages
2005. Vol. 94, no 15, 155001- p.
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-45465DOI: 10.1103/PhysRevLett.94.155001OAI: diva2:266361
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2010-06-14

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Dieckmann, Mark E
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