Efficiency of Current Drive by Fast Waves
  The Rosenbluth form for the collision operator for a weakly relativistic plasma is derived. The formalism adopted by Antonsen and Chu can then be used to calculate the efficiency of current drive by fast waves in a relativistic plasma. Accurate numerical results and analytic asymptotic limits for the efficiencies are given. 
Charles F. F. Karney, Nathaniel J. Fisch (Princeton University)