4.1 Coulomb collisions
  4.1.1 Small angle scattering
  4.1.2 Linearized collision operator
  4.1.3 Electron-electron collision operators
  4.1.4 Electron-ion collision operators
  4.1.5 Large angle scattering
  4.1.6 Bounce Averaged Fokker-Planck Equation
  4.1.7 Bounce Averaged Drift Kinetic Equation
 4.2 Ohmic electric field
  4.2.1 Conservative Form for the Ohmic Electric Field Operator
  4.2.2 Bounce Averaged Fokker-Planck Equation
  4.2.3 Bounce Averaged Drift Kinetic Equation
 4.3 Radio frequency waves
  4.3.1 Conservative formulation of the RF wave operator
  4.3.2 RF Diffusion coefficient for a Plane Wave
  4.3.3 Integration in k-space
  4.3.4 Incident Energy Flow Density
  4.3.5 Narrow Beam Approximation
  4.3.6 Normalized Diffusion Coefficient
  4.3.7 Bounce Averaged Fokker-Planck Equation
  4.3.8 Bounce Averaged Drift-Kinetic Equation
  4.3.9 Modeling of RF Waves