10 Magnetic coordinates (ψ,𝜃,ζ) with general toroidal angle ζ

  10.1 General toroidal angle ζ
  10.2 Contravariant form of magnetic field in (ψ,𝜃,ζ) coordinates
  10.3 Relation between the partial derivatives in (ψ,𝜃,ϕ) and (ψ,𝜃,ζ) coordinates
  10.4 Steps to construct a straight-line magnetic coordinate system
  10.5 Form of operator B ⋅∇ in (ψ,𝜃,ζ) coordinates
  10.6 Resonant surface of a perturbation
  10.7 Helical angle used in tearing mode theory
  10.8 Covariant form of magnetic field in (ψ,𝜃,ζ) coordinate system
  10.9 Form of operator (B ×∇ψ∕B2) ⋅∇ in (ψ,𝜃,ζ) coordinates
  10.10 Radial differential operator