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) =q₀(1 + 0.8r^α)². (a)r_s= 0.3 withq₀varying from 0.92 to 0.98, and (b)q₀= 0.98 withr_svarying from 0.1 to 0.9.