3D field phase-space control in tokamak plasmas

JK Park, YM Jeon, Y In, JW Ahn, R Nazikian, G Park… - Nature Physics, 2018 - nature.com
A small relaxation of the axisymmetric magnetic field of a tokamak into a non-axisymmetric
three-dimensional (3D) configuration can be effective to control magnetohydrodynamic …

Experimental conditions to suppress edge localised modes by magnetic perturbations in the ASDEX Upgrade tokamak

W Suttrop, A Kirk, V Bobkov, M Cavedon… - Nuclear …, 2018 - iopscience.iop.org
Access conditions for full suppression of edge localised modes (ELMs) by magnetic
perturbations (MP) in low density high confinement mode (H-mode) plasmas are studied in …

First demonstration of full ELM suppression in low input torque plasmas to support ITER research plan using n= 4 RMP in EAST

Y Sun, Q Ma, M Jia, S Gu, A Loarte, Y Liang… - Nuclear …, 2021 - iopscience.iop.org
Full suppression of type-I edge localized modes (ELMs) using n= 4 resonant magnetic
perturbations (RMPs) as planned for ITER has been demonstrated for the first time (n is the …

The effect of plasma shape and neutral beam mix on the rotation threshold for RMP-ELM suppression

C Paz-Soldan, R Nazikian, L Cui, BC Lyons… - Nuclear …, 2019 - iopscience.iop.org
Varying the neutral beam injection (NBI) mix reveals a clear pedestal-top rotation threshold
for edge localized mode (ELM) suppression by resonant magnetic perturbations (RMPs) …

Overview of HL-2A recent experiments

M Xu, XR Duan, Y Liu, XM Song, DQ Liu… - Nuclear …, 2019 - iopscience.iop.org
The mission of HL-2A is to explore the key physical topics relevant to ITER and to the
advanced tokamak operation (eg the operation of future HL-2M), such as the access of H …

Penetration properties of applied resonant magnetic perturbation in HL-2A tokamak

X Wang, HW Zhang, WJ Chen, TF Sun, W Zhang… - Nuclear …, 2023 - iopscience.iop.org
Any arbitrary perturbation on a magnetic field separatrix can cause a structure named
homoclinic tangle in tokamaks. Both an edge localized mode (ELM) and a resonant …

Edge-coherent oscillation providing nearly continuous transport during edge-localized mode mitigation by n= 1 resonant magnetic perturbation in HL-2A

TF Sun, Y Liu, XQ Ji, YQ Liu, R Ke, JM Gao… - Nuclear …, 2021 - iopscience.iop.org
An edge-coherent oscillation (ECO) with a bursting feature was observed in the steep-
gradient pedestal region of H-mode plasmas in the HL-2A tokamak, where the type-I edge …

Heuristic predictions of RMP configurations for ELM suppression in ITER burning plasmas and their impact on divertor performance

H Frerichs, J van Blarcum, Y Feng, L Li, YQ Liu… - Nuclear …, 2024 - iopscience.iop.org
A subspace of resonant magnetic perturbation (RMP) configurations for edge localized
mode (ELM) suppression is predicted for H-mode burning plasmas at 15 MA current and 5.3 …

Modeling 3D plasma boundary corrugation and tailoring toroidal torque profiles with resonant magnetic perturbation fields in ITER

L Li, YQ Liu, A Loarte, SD Pinches, A Polevoi… - Nuclear …, 2019 - iopscience.iop.org
Plasma response to 3D resonant magnetic perturbations (RMPs), applied for the purpose of
controlling type-I edge localized modes (ELMs) in ITER with the baseline ELM control coils …

Influence of pedestal pressure on plasma response to resonant magnetic perturbation field

X Yang, J Yuan, Y Liu, X He, Y He, G Xia… - The European Physical …, 2025 - Springer
A systematic numerical investigation is carried out to understand the effect of variation of the
equilibrium pressure pedestal structure on the H-mode plasma response to the applied …