Collective Thomson scattering in non-equilibrium laser produced two-stream plasmas

K. Sakai, S. Isayama, N. Bolouki, M. S. Habibi, Y. L. Liu, Y. H. Hsieh, H. H. Chu, J. Wang, S. H. Chen, T. Morita, K. Tomita, R. Yamazaki, Y. Sakawa, S. Matsukiyo, Y. Kuramitsu

研究成果: 雜誌貢獻期刊論文同行評審

7 引文 斯高帕斯(Scopus)

摘要

We investigate collective Thomson scattering (CTS) in two-stream non-equilibrium plasmas analytically, numerically, and experimentally. In laboratory astrophysics, CTS is a unique tool to obtain local plasma diagnostics. While the standard CTS theory assumes plasmas to be linear, stationary, isotropic, and equilibrium, they are often nonlinear, non-stationary, anisotropic, and non-equilibrium in high energy phenomena relevant to laboratory astrophysics. We theoretically calculate and numerically simulate the CTS spectra in two-stream plasmas as a typical example of a non-equilibrium system in space and astrophysical plasmas. The simulation results show the feasibility to diagnose two-stream instability directly via CTS measurements. To confirm the non-equilibrium CTS analysis, we have developed an experimental system with a high repetition rate tabletop laser for laboratory astrophysics.

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文章編號103104
期刊Physics of Plasmas
27
發行號10
DOIs
出版狀態已出版 - 1 10月 2020

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