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星期一, 五月 04, 2009

Liang 2009 共动系中的Plynting流的辐射

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Title:
Radiation from Comoving Poynting Flux Acceleration
Authors:
Liang, Edison; Noguchi, Koichi
Publication:
eprint arXiv:0905.0160
Publication Date:
05/2009
Origin:
ARXIV
Keywords:
Astrophysics - High Energy Astrophysical Phenomena
Comment:
30 pages 8 figures, resubmitted to ApJ, replaces earlier preprint titled "Radiation from Kinetic Poynting Flux Acceleration" (arXiV:0704.1843); most of the paper has been rewritten
Bibliographic Code:
2009arXiv0905.0160L

Abstract

We derive analytic formulas for the radiation power output when electrons are accelerated by a relativistic comoving kinetic Poynting flux, and validate these analytic results with Particle-In-Cell simulations. We also derive analytically the critical frequency of the radiation spectrum. Potential astrophysical applications of these results are discussed. A quantitative model of gamma-ray bursts based on the breakout of kinetic Poynting flux is presented.
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