Notes on plasma theory

Non-orthogonal 3D coordinate systems

Magnetic coordinates

An introduction to quasi-symmetry

Relationships between bounce-averaged drifts and the longitudinal invariant

Sign conventions in VMEC

Relating the VMEC and Garabedian parameterizations of toroidal surfaces

Computing the current profile from the bootstrap current density

Sonic flows in a tokamak or stellarator

Derivation of the drift-kinetic equation

The method of dominant balance

Converting between SI and Gaussian units

Interactive 3D visualization of particle trajectories in a plasma

More accurate calculation of the neoclassical ion flow in the Pfirsch-Schluter (short-mean-free-path) regime

Proof that quasisymmetry implies omnigenity without magnetic coordinates, Lagrangians, or Hamiltonians

Equivalence of quasisymmetry in Boozer and Hamada angles

A conservation law for ideal MHD associated with the single-particle conservation of canonical angular momentum

Proof that the entropy production from self-collisions vanishes only for a Maxwellian (Old version)

Asymptotology essay by Martin Kruskal