Introduction to the interaction between energetic particles and Alfvén eigenmodes in toroidal plasmas

Y Todo - Reviews of Modern Plasma Physics, 2018 - Springer
This article is a tutorial review of the interaction between energetic particles and Alfvén
eigenmodes (AEs) which is one of the important research issues for fusion burning plasmas …

Recent progress in the quantitative validation of JOREK simulations of ELMs in JET

SJP Pamela, GTA Huijsmans, T Eich… - Nuclear …, 2017 - iopscience.iop.org
Future devices like JT-60SA, ITER and DEMO require quantitative predictions of pedestal
density and temperature levels, as well as inter-ELM and ELM divertor heat fluxes, in order …

Nonlinear magnetohydrodynamic effects on Alfvén eigenmode evolution and zonal flow generation

Y Todo, HL Berk, BN Breizman - Nuclear Fusion, 2010 - iopscience.iop.org
Nonlinear magnetohydrodynamic (MHD) effects on Alfvén eigenmode evolution were
investigated via hybrid simulations of an MHD fluid interacting with energetic particles. The …

Theory on excitations of drift Alfvén waves by energetic particles. II. The general fishbone-like dispersion relation

F Zonca, L Chen - Physics of Plasmas, 2014 - pubs.aip.org
The theoretical framework of the general fishbone-like dispersion relation (GFLDR),
presented and discussed in the Companion Paper [Phys. Plasmas 21, 072120 (2014)], is …

Energy-selective confinement of fusion-born alpha particles during internal relaxations in a tokamak plasma

A Bierwage, K Shinohara, YO Kazakov… - Nature …, 2022 - nature.com
Long-pulse operation of a self-sustained fusion reactor using toroidal magnetic containment
requires control over the content of alpha particles produced by DT fusion reactions. On the …

A reduced fast ion transport model for the tokamak transport code TRANSP

M Podesta, M Gorelenkova… - Plasma Physics and …, 2014 - iopscience.iop.org
Fast ion transport models currently implemented in the tokamak transport code TRANSP
(Hawryluk 1980 Physics of Plasmas Close to Thermonuclear Conditions (Brussels: CEC)) …

Simulations tackle abrupt massive migrations of energetic beam ions in a tokamak plasma

A Bierwage, K Shinohara, Y Todo, N Aiba… - Nature …, 2018 - nature.com
In the late 1990s, fusion scientists at the Japanese tokamak JT-60U discovered abrupt large-
amplitude events during beam-driven deuterium plasma experiments. A large spike in the …

Properties of energetic-particle continuum modes destabilized by energetic ions with beam-like velocity distributions

Y Todo - Physics of Plasmas, 2006 - pubs.aip.org
Properties of energetic-particle continuum modes (EPMs) destabilized by energetic ions in
tokamak plasmas were investigated using a hybrid simulation code for …

Transition from weak to strong energetic ion transport in burning plasmas

F Zonca, S Briguglio, L Chen, G Fogaccia… - Nuclear fusion, 2005 - iopscience.iop.org
The change in nonlinear energetic particle mode (EPM) dynamics that accompanies the
transition from weak to strong energetic ion transport is discussed in this work. It is …

Comprehensive magnetohydrodynamic hybrid simulations of fast ion driven instabilities in a Large Helical Device experiment

Y Todo, R Seki, DA Spong, H Wang, Y Suzuki… - Physics of …, 2017 - pubs.aip.org
Alfvén eigenmodes (AEs) destabilized by the neutral beam injection (NBI) in a Large Helical
Device experiment are investigated using multi-phase magnetohydrodynamic (MHD) hybrid …