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Stochastic Electron Acceleration in SNR RX J1713.7-3946
Fan Zhonghui 1,Liu Siming 2
1.Department of Physics, University of Yunnang, Kunming 510091
2.Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing 210008
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Funding: SRFDP of China（No.20095301120006）, National Science Foundation of China Foundation（No.10963004, 1114307, 11173064）
Opened online:10 January 2012
Accepted by: none
Citation: Fan Zhonghui,Liu Siming.Stochastic Electron Acceleration in SNR RX J1713.7-3946[OL]. [10 January 2012] http://en.paper.edu.cn/en_releasepaper/content/4458565
 
 
Stochastic acceleration of charged particles due to their interactions with plasma waves may be responsible for producing superthermal particles in a variety of astrophysical systems. This process can be described as a diffusion process in the energy space with the Fokker-Planck equation. In this paper, a time-dependent numerical code is used to solve the reduced Fokker-Planck equation involving only time and energy variables with general forms of the diffusion coefficients. We also propose a self-similar model for particle acceleration in Sedov explosions and use the TeV SNR RX J1713.7-3946 as an example to demonstrate the model characteristics. Markov Chain Monte Carlo method is utilized to constrain model parameters with observations.
Keywords:acceleration of particles: MHD: plasmas: shock waves: turbulence
 
 
 

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