Effects of<italic>q</italic>-profiles of a weak magnetic shear on energetic ion excited<italic>q</italic>= 1 mode in tokamak plasmas

Effects ofq-profiles of a weak magnetic shear on energetic ion excitedq= 1 mode in tokamak plasmas

Li Ze-Yu¹, Wang Xian-Qu^{2, †,}, Wang Xiao-Gang³

Profiles ofq(r) =q_min+q_c(1 − (r/r_m)^α)²withq_c= 0.2,r_m= 0.5,q_min= 1.01, and a changingαfrom 1.5 to 3.0.