This overview is an assessment of the gyrokinetic framework and simulations to compute
turbulent transport in fusion plasmas. It covers an introduction to the gyrokinetic theory, the …

The understanding and prediction of transport due to plasma microturbulence is a key open
problem in modern plasma physics, and a grand challenge for fusion energy research. Ab …

A new nonlinear gyro-kinetic flux tube code (GKW) for the simulation of micro instabilities
and turbulence in magnetic confinement plasmas is presented in this paper. The code …

Nonlinear electromagnetic stabilization by suprathermal pressure gradients found in specific
regimes is shown to be a key factor in reducing tokamak microturbulence, augmenting …

The impact of electromagnetic stabilization and flow shear stabilization on ITG turbulence is
investigated. Analysis of a low-β JET L-mode discharge illustrates the relation between ITG …

The scaling of turbulence-driven heat transport with system size in magnetically confined
plasmas is reexamined using first-principles based numerical simulations. Two very different …

Turbulent transport of toroidal momentum is investigated in global linear gyrokinetic
simulations. The poloidal tilt of the global mode structure arising from the radial variation of …

The nonlinear dynamics of microtearing modes in standard tokamak plasmas are
investigated by means of ab initio gyrokinetic simulations. The saturation levels of the …

Global gyrokinetic simulations have revealed an important nonlinear flow generation
process due to the residual stress produced by electrostatic turbulence of ion temperature …

Aiming to fill a corresponding lack of sophisticated test cases for global electromagnetic
gyrokinetic codes, a new hierarchical benchmark is proposed. Starting from established test …