Fokker-Planck analysis of energy deposition of laser-produced relativistic electrons in dense plasmas |
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| Authors: | T Yokota Y Nakao T Johzaki K Mima |
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| Affiliation: | (1) Department of Applied Quantum Physics and Nuclear Engineering, Kyushu University, Hakozaki, Fukuoka 812-8581, Japan;(2) Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan |
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| Abstract: | Evaluation of the energy deposition region of a laser-produced relativistic electron beam in dense core plasma is essential in the fast ignition approach to ICF. Recently, we have developed a two-dimensional relativistic Fokker-Planck code “RFP-2D” for fast electron transport in dense plasmas to investigate the energy deposition profiles. In this paper, we compare the sizes of the energy deposition region derived from RFP-2D and another RFP-type calculation model with stochastic treatments. It is found to be considerably important to take into account the influence of the self-generated electromagnetic field when evaluating the energy deposition region. |
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