Geodesic acoustic modes (GAMs) are ubiquitous oscillatory flow phenomena observed in
toroidal magnetic confinement fusion plasmas, such as tokamaks and stellarators. They are …

Geodesic acoustic modes (GAM) are oscillating zonal structures unique to toroidal plasmas,
and have been extensively studied in the past decades due to their potential capabilities of …

We adopt gyrokinetic theory to extract the phase space zonal structure from the flux surface
averaged particle response, that is, the nonlinear response that is undamped by …

The role of energetic particles (EPs) in fusion plasmas is unique as they could act as
mediators of cross-scale couplings. More specifically, EPs can drive instabilities on the …

This work provides a general description of the self-consistent energetic particle phase
space transport in burning plasmas, based on nonlinear gyrokinetic theory. The self …

A model of E× B staircases is proposed based on a wave kinetic equation coupled to a
poloidal momentum equation. A staircase pattern is idealized as a periodic radial structure …

In this work, gyrokinetic theory of drift waves (DWs) self-regulation via the beat-driven zonal
flow (ZF) is presented, and finite diamagnetic drift frequency due to plasma nonuniformity is …

For a comprehensive comparison with theoretical models and advanced numerical
turbulence simulations, a large spectrum of fluctuation parameters was measured on the …

The set of equations describing nonlinear evolution of a single toroidal Alfvén eigenmode
are derived, including both zero frequency zonal structure (ZFZS) generation and wave …

Spontaneous nonlinear excitation of a geodesic acoustic mode (GAM) by a toroidal Alfvén
eigenmode (TAE) is investigated using nonlinear gyrokinetic theory. It is found that the …