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 …

Energetic particles produced by neutral beams are observed to excite energetic-particle-
driven geodesic acoustic modes in tokamaks. We study the effects of anisotropy of …

Recent progress regarding the excitation of energetic-particle driven geodesic acoustic
modes (EGAMs) in particle-in-cell simulations is presented in this paper. The exact …

Energetic particle driven geodesic acoustic modes (EGAMs) in Large Helical Device
plasmas are investigated using MEGA code. MEGA is a hybrid simulation code for energetic …

Alfvén eigenmodes (AEs) and energetic particle modes (EPMs) are often excited by
energetic particles (EPs) in tokamak plasmas. One of the main open questions concerning …

Turbulence in tokamaks generates radially sheared zonal flows. Their oscillatory
counterparts, geodesic acoustic modes (GAMs), appear due to the action of the magnetic …

Using the linear gyrokinetic code LIGKA, we study the structure of the continuous spectra
$\Omega (\rho)=\omega (\rho)+{\rm i}\gamma (\rho) $ of shear Alfvén waves (SAW) and ion …

The effect of the plasma elongation on the energetic-particle-induced geodesic acoustic
mode (EGAM) dynamics is studied with numerical simulations performed with the gyrokinetic …

Eigenmode analysis of geodesic acoustic modes (GAMs) driven by fast ions is performed,
based on a set of gyrokinetic equations. Resonance to the magnetic drift of the fast ions can …