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) Mode structure when q0 is slightly greater than unity and high-energy particle beta , with the red-line for the safety factor profile, the solid blue line for the real part, and the dotted blue line for the imaginary part of the mode structure.