This review of scaling theories of magnetohydrodynamic (MHD) turbulence aims to put the
developments of the last few years in the context of the canonical time line (from Kolmogorov …

The excitation and further sustenance of large-scale magnetic fields in rotating astrophysical
systems, including planets, stars, and galaxies, is generally thought to involve a fluid …

In a magnetised plasma on scales well above ion kinetic scales, any constant-magnitude
magnetic field, accompanied by parallel Alfvénic flows, forms a nonlinear solution in an …

The highly tangled magnetic field of a magnetar supports shear waves similar to Alfvén
waves in an ordered magnetic field. Here, we explore if torsional modes excited in the stellar …

These are the notes for my lectures on plasma physics, taught since 2014 as part of the
MMathPhys programme at Oxford. Part I contains the lectures on plasma kinetics that formed …

The central result of this thesis is the solution of a decades-old problem in
magnetohydrodynamic (MHD) turbulence theory: in the absence of energy injection, how do …

In MHD, the magnetic fields are frozen into the fluid and are elastic; displacing fluid elements
causes magnetic restoring forces to act. This action appears as distorted magnetic field lines …