Nonlinear gyrokinetic simulations of reversed shear Alfven eigenmodes in DIII-D tokamak
Global gyrokinetic simulations of reversed shear Alfven eigenmodes (RSAE) excited by
energetic particles (EP) in the DIII-D discharge# 159,243 find that self-generated zonal flows …
energetic particles (EP) in the DIII-D discharge# 159,243 find that self-generated zonal flows …
MAS: A versatile Landau-fluid eigenvalue code for plasma stability analysis in general geometry
We have developed a new global eigenvalue code, multiscale analysis for plasma stabilities
(MAS), for studying plasma problems with wave toroidal mode number (n) and frequency (ω) …
(MAS), for studying plasma problems with wave toroidal mode number (n) and frequency (ω) …
Stability of beta-induced Alfvén eigenmodes (BAE) in DIII-D
Although the stability of ellipticity, toroidal and reversed-shear Alfvén eigenmodes (EAE,
TAE, RSAE) are relatively well understood, less is known about the stability of lower …
TAE, RSAE) are relatively well understood, less is known about the stability of lower …
Physics of drift Alfvén instabilities and energetic particles in fusion plasmas
Shear Alfvén wave (SAW)/drift Alfvén wave (DAW) fluctuations can be destabilized by
energetic particles (EPs) as well as thermal plasma components, which play a key role in the …
energetic particles (EPs) as well as thermal plasma components, which play a key role in the …
Theoretical studies of low-frequency Alfvén modes in tokamak plasmas
The linear wave properties of the low-frequency Alfvén modes (LFAMs) observed in the DIII-
D tokamak experiments with reversed magnetic shear (Heidbrink et al 2021 Nucl. Fusion 61 …
D tokamak experiments with reversed magnetic shear (Heidbrink et al 2021 Nucl. Fusion 61 …
Low-frequency shear Alfvén waves at DIII-D: Theoretical interpretation of experimental observations
The linear properties of the low-frequency shear Alfvén waves such as those associated with
the beta-induced Alfvén eigenmodes (BAEs) and the low-frequency modes observed in …
the beta-induced Alfvén eigenmodes (BAEs) and the low-frequency modes observed in …
Cross-scale interaction between microturbulence and meso-scale reversed shear Alfvén eigenmodes in DIII-D plasmas
This paper reports global nonlinear gyrokinetic simulations that couple meso-scale reversed
shear Alfvén eigenmodes (RSAEs) driven by energetic particles (EPs) and ion temperature …
shear Alfvén eigenmodes (RSAEs) driven by energetic particles (EPs) and ion temperature …
Verification and validation of linear gyrokinetic and kinetic-MHD simulations for internal kink instability in DIII-D tokamak
Verification and linear validation of the internal kink instability in tokamak have been
performed for both gyrokinetic (GTC) and kinetic-MHD codes (GAM-solver, M3D-C1-K …
performed for both gyrokinetic (GTC) and kinetic-MHD codes (GAM-solver, M3D-C1-K …
Visualization of fast ion phase-space flow in plasmas well-below, near and well-above Alfvén eigenmode stability threshold in tokamak
Transport of fast ions along certain local phase space paths, referred to as fast ion phase-
space flow, has been systematically measured by an imaging neutral particle analyzer …
space flow, has been systematically measured by an imaging neutral particle analyzer …
First Measurement of Drift-Alfvén Wave Polarization in Magnetically Confined Fusion Plasmas
Polarization of drift-Alfvén waves, defined as the ratio of electrostatic to electromagnetic
fluctuations, has remained unmeasurable in fusion plasmas for decades, despite its pivotal …
fluctuations, has remained unmeasurable in fusion plasmas for decades, despite its pivotal …