Electromagnetic and fast ions effects as a key mechanism for turbulent transport suppression at JET

J Garcia, JET Contributors - Plasma Physics and Controlled …, 2022 - iopscience.iop.org
JET has provided a test bed over the last ten years for detailed studies of the influence of
electromagnetic (EM) and fast ion effects on transport, turbulence and energy confinement …

Gyrokinetic theory of toroidal Alfvén eigenmode saturation via nonlinear wave–wave coupling

Z Qiu, L Chen, F Zonca - Reviews of Modern Plasma Physics, 2023 - Springer
Nonlinear wave–wave coupling constitutes an important route for the turbulence spectrum
evolution in both space and laboratory plasmas. For example, in a reactor relevant fusion …

Overview of the SPARC physics basis towards the exploration of burning-plasma regimes in high-field, compact tokamaks

P Rodriguez-Fernandez, AJ Creely… - Nuclear …, 2022 - iopscience.iop.org
The SPARC tokamak project, currently in engineering design, aims to achieve breakeven
and burning plasma conditions in a compact device, thanks to new developments in high …

Enhanced performance in fusion plasmas through turbulence suppression by megaelectronvolt ions

S Mazzi, J Garcia, D Zarzoso, YO Kazakov, J Ongena… - Nature Physics, 2022 - nature.com
Alpha particles with energies on the order of megaelectronvolts will be the main source of
plasma heating in future magnetic confinement fusion reactors. Instead of heating fuel ions …

[HTML][HTML] Physics and applications of three-ion ICRF scenarios for fusion research

YO Kazakov, J Ongena, JC Wright, SJ Wukitch… - Physics of …, 2021 - pubs.aip.org
This paper summarizes the physical principles behind the novel three-ion scenarios using
radio frequency waves in the ion cyclotron range of frequencies (ICRF). We discuss how to …

Overview of tokamak turbulence stabilization by fast ions

J Citrin, P Mantica - Plasma Physics and Controlled Fusion, 2023 - iopscience.iop.org
In recent years tokamak experiments and modelling have increasingly indicated that the
interaction between suprathermal (fast) ions and thermal plasma can lead to a reduction of …

Generation and observation of fast deuterium ions and fusion-born alpha particles in JET D-3He plasmas with the 3-ion radio-frequency heating scenario

M Nocente, Y Kazakov, J Garcia, V Kiptily, J Ongena… - Nuclear Fusion, 2020 - orbit.dtu.dk
Dedicated experiments to generate energetic D ions and D-3 He fusion-born alpha particles
were performed at the Joint European Torus (JET) with the ITER-like wall (ILW). Using the 3 …

Core integrated simulations for the Divertor Tokamak Test facility scenarios towards consistent core-pedestal-SOL modelling

I Casiraghi, P Mantica, R Ambrosino… - Plasma Physics and …, 2023 - iopscience.iop.org
Deuterium plasma discharges of the Divertor Tokamak Test facility (DTT) in different
operational scenarios have been predicted by a comprehensive first-principle based …

First-principles based plasma profile predictions for optimized stellarators

AB Navarro, A Di Siena, JL Velasco, F Wilms… - Nuclear …, 2023 - iopscience.iop.org
In the present Letter, first-of-its-kind computer simulations predicting plasma profiles for
modern optimized stellarators—while self-consistently retaining neoclassical transport …

On nonlinear scattering of drift wave by toroidal alfvén eigenmode in tokamak plasmas

L Chen, Z Qiu, F Zonca - Nuclear Fusion, 2023 - iopscience.iop.org
Using electron drift wave (eDW) as a paradigm model, we have investigated analytically
direct wave–wave interactions between a test DW and ambient toroidal Alfvén eigenmodes …