Conceptual
Browse Instruct Curate

A Corrected Ritz Variational Principle for Local Collisionless Gyrokinetics

The Ritz variational principle commonly used to cast the linearized gyrokinetic eigenvalue problem is mathematically incorrect as stated in the literature. This derives a corrected variational principle for local linear collisionless gyrokinetics in general geometry with electromagnetic effects, plus an explicit weak form of the gyrokinetic field equations for numerical eigenvalue solvers.