%0 Journal Article
%T Discrete Alfvén eigenmodes in international thermonuclear experimental reactor operations with negative magnetic shear
%A 王军
%A 胡双辉
%A 代清平
%A 姚龙宝
%J 中国物理 B
%D 2010
%I 
%X Discrete Alfvén eigenmodes in steady-state operation scenarios with negative magnetic shear in the international thermonuclear experimental reactor are investigated in this paper. These magnetohydrodynamic eigenmodes are trapped by the α -induced potential wells along the magnetic field line. Here α =-q2Rdβ/d r with q being the safety factor, β the ratio between plasma and magnetic pressures, and R the major radius, and r the minor radius. Due to negligible continuum damping via wave energy tunneling, these Alfvén eigenmodes could be readily destabilized by energetic particles.
%K Alfvén
%K eigenmodes
%K negative
%K magnetic
%K shear
%K magnetohydrodynamic
%K instability
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=CD8D6A6897B9334F09D8D1648C376FB4&aid=1804FE9491F55FBDCBF7F832AA5F9BC2&yid=140ECF96957D60B2&vid=2A8D03AD8076A2E3&iid=9CF7A0430CBB2DFD&journal_id=1009-1963&journal_name=中国物理&referenced_num=0&reference_num=13