activity
20172026
most citedAnalysis of Alfven Eigenmodes destabilization by energetic particles in TJ-II using a Landau-closure model

22 citations · 116 across the 12 of their papers we have counts for

collaborators

12 papers

physics.plasm-ph2026

Machine-learning surrogate models for nonlinear energetic-particle transport predictions in ITER

Yashika Ghai, Donald A. Spong, Jacobo Varela +1

Fast and accurate prediction of energetic-particle transport driven by Alfvén eigenmode (AE) instabilities is essential for integrated modeling workflows used in the design and opt…

physics.plasm-ph2026

Resonant Pitch-Angle Scattering Of Runaway-Electrons by Externally-launched Helicon Waves in the DIII-D Tokamak

Hari Choudhury, Jeffrey Lestz, Carlos Paz-Soldan +12

Resonant wave-particle interactions between externally launched helicon waves (also known as whistler waves) and runaway electrons (REs) have been demonstrated on the DIII-D tokama…

physics.plasm-ph2025

Runaway electron interactions with whistler waves in tokamak plasmas: energy-dependent transport scaling

Yashika Ghai, D. Del-Castillo-Negrete, D. A. Spong +1

Resonant interactions between high energy runaway electrons (REs) and whistler waves are a promising mechanism for RE mitigation in tokamak plasmas. While prior studies have largel…

physics.plasm-ph2024

Assessing the Impact of Alpha Particles on Thermal Confinement in JET D-T Plasmas through Global GENE-Tango Simulations

A. Di Siena, J. Garcia, R. Bilato +14

The capability of the global, electromagnetic gyrokinetic GENE code interfaced with the transport Tango solver is exploited to address the impact of fusion alpha particles (in thei…

physics.plasm-ph2023★ 13 cited

Effect of the neutral beam injector operational regime on the Alfven eigenmode saturation phase in DIII-D plasma

J Varela, D A Spong, L Garcia +11

The aim of this study is to analyze the effect of the neutral beam injector (NBI) operation regime on the saturation phase of the Alfven Eigenmodes (AEs) in DIII-D plasma. The anal…

physics.plasm-ph2023★ 7 cited

Analysis of the ECH effect on the EPM/AEs stability in Heliotron J plasma using a Landau closure model

J. Varela, K. Nagasaki, S. Kobayashi +9

The aim of the present study is to analyze the effect of the electron cyclotron heating (ECH) on the linear stability of Alfven Eigenmodes (AE) and energetic particle modes (EPM) t…