Drift Reversal Capability in a Quasi-Poloidally Symmetric Stellarator

Maximum-J (J is the second adiabatic invariant) capability, i.e., drift reversal capability, is examined in a quasi-poloidally symmetric stellarator as a possible mechanism for turbulent transport suppression. The radial variation of the uniform magnetic field component plays a crucial role for the drift reversal in a quasi-poloidally symmetric configuration.