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Adjoint method and runaway electron avalanche

Chang Liu, Dylan P Brennan, Allen H Boozer, Amitava Bhattacharjee2017年Plasma Physics and Controlled FusionIF 2.2出版社

The adjoint method for the study of runaway electron dynamics in momentum space Liu et al (2016 Phys. Plasmas23 010702) is rederived using the Green's function method, for both the runaway probability function (RPF) and the expected loss time (ELT). The RPF and ELT obtained using the adjoint method are presented, both with and without the synchrotron radiation reaction force. The adjoint method is then applied to study the runaway electron avalanche. Both the critical electric field and the growth rate for the avalanche are calculated using this fast and novel approach.

日本語訳

随伴法による逃走電子の運動量空間における動力学の研究(Liu et al 2016 Phys. Plasmas 23 010702)は、グリーン関数法を用いて再導出され、逃走確率関数(RPF)と期待損失時間(ELT)の両方について考察されている。随伴法を用いて得られたRPFとELTは、シンクロトロン放射反力の有無にかかわらず提示される。さらに、この随伴法は逃走電子なだれの研究に応用される。臨界電界となだれの成長率は、この高速かつ新規なアプローチを用いて計算される。

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Runaway electron
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