notes on plasma theory

Sign convenctions in VMEC

An introduction to quasi-symmetry

Relating the VMEC and Garabedian parameterizations of toroidal surfaces

Sonic flows in a tokamak or stellarator

Non-orthogonal 3D coordinate systems.

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