In this review we will focus on a topic of fundamental importance for both astrophysics and
plasma physics, namely the occurrence of large-amplitude low-frequency fluctuations of the …

Dynamics of shear Alfvén waves and energetic particles are crucial to the performance of
burning fusion plasmas. This article reviews linear as well as nonlinear physics of shear …

This paper presents a theoretical framework for understanding plasma turbulence in
astrophysical plasmas. It is motivated by observations of electromagnetic and density …

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 …

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 …

Guiding-center theory provides the reduced dynamical equations for the motion of charged
particles in slowly varying electromagnetic fields, when the fields have weak variations over …

Alpha particles with energies on the order of megaelectronvolts will be the main source of
plasma heating in future magnetic confinement fusion reactors. Instead of heating fuel ions …

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 …

This paper studies the turbulent cascade of magnetic energy in weakly collisional
magnetized plasmas. A cascade model is presented, based on the assumptions of local …

This paper addresses non-linear gyrokinetic simulations of ion temperature gradient (ITG)
turbulence in tokamak plasmas. The electrostatic GYSELA code is one of the few …