Geodesic acoustic modes in magnetic confinement devices
GD Conway, AI Smolyakov, T Ido - Nuclear Fusion, 2021 - iopscience.iop.org
Geodesic acoustic modes (GAMs) are ubiquitous oscillatory flow phenomena observed in
toroidal magnetic confinement fusion plasmas, such as tokamaks and stellarators. They are …
toroidal magnetic confinement fusion plasmas, such as tokamaks and stellarators. They are …
Energetic particle physics in fusion research in preparation for burning plasma experiments
NN Gorelenkov, SD Pinches, K Toi - Nuclear Fusion, 2014 - iopscience.iop.org
The area of energetic particle (EP) physics in fusion research has been actively and
extensively researched in recent decades. The progress achieved in advancing and …
extensively researched in recent decades. The progress achieved in advancing and …
Super-thermal particles in hot plasmas—Kinetic models, numerical solution strategies, and comparison to tokamak experiments
P Lauber - Physics Reports, 2013 - Elsevier
The excitation of collective instabilities by super-thermal particles in hot plasmas and the
related transport processes attract increasing interest due to their fundamental challenges …
related transport processes attract increasing interest due to their fundamental challenges …
Physics of kinetic Alfvén waves: a gyrokinetic theory approach
The transverse shear Alfvén wave (SAW) is a fundamental anisotropic electromagnetic
oscillation in plasmas with a finite background magnetic field. In realistic plasmas with …
oscillation in plasmas with a finite background magnetic field. In realistic plasmas with …
Fully kinetic description of the linear excitation and nonlinear saturation of fast-ion-driven geodesic acoustic mode instability
We show in this paper that geodesic acoustic modes (GAMs) can be efficiently excited by a
population of fast ions even when Landau damping on thermal ions is accounted for. We …
population of fast ions even when Landau damping on thermal ions is accounted for. We …
Kinetic theory of geodesic acoustic modes in toroidal plasmas: a brief review
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 …
and have been extensively studied in the past decades due to their potential capabilities of …
Gyrokinetic modeling of anisotropic energetic particle driven instabilities in tokamak plasmas
B Rettino, T Hayward-Schneider, A Biancalani… - Nuclear …, 2022 - iopscience.iop.org
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 …
driven geodesic acoustic modes in tokamaks. We study the effects of anisotropy of …
Chirping and sudden excitation of energetic-particle-driven geodesic acoustic modes in a large helical device experiment
Energetic-particle-driven geodesic acoustic modes (EGAMs) observed in a Large Helical
Device experiment are investigated using a hybrid simulation code for energetic particles …
Device experiment are investigated using a hybrid simulation code for energetic particles …
Observation of energetic-particle-induced GAM and nonlinear interactions between EGAM, BAEs and tearing modes on the HL-2A tokamak
In our previous letter, the geodesic acoustic mode (GAM) induced by energetic particles
(EGAMs) was reported in low density ohmic plasma on HL-2A (Chen et al 2013 Phys. Lett. A …
(EGAMs) was reported in low density ohmic plasma on HL-2A (Chen et al 2013 Phys. Lett. A …
[HTML][HTML] Gyrokinetic investigation of the nonlinear interaction of Alfvén instabilities and energetic particle-driven geodesic acoustic modes
This paper presents a study of the interaction between Alfvén modes and zonal structures,
considering a realistic ASDEX Upgrade equilibrium. The results of gyrokinetic simulations …
considering a realistic ASDEX Upgrade equilibrium. The results of gyrokinetic simulations …