Energetic-ion excited internal kink modes with weak magnetic shear in q0 >1 tokamak plasmas
Chen Wen-Ming1, Wang Xiao-Gang2, †, Wang Xian-Qu3, Zhang Rui-Bin1
       

(color online) Safety factor profile (red-line), real part (solid blue line), and imaginary part (dotted blue line) of the mode structure. Note that the imaginary part is non-zero.