Neoclassical plasma viscosity and transport processes in non-axisymmetric tori

KC Shaing, K Ida, SA Sabbagh - Nuclear Fusion, 2015 - iopscience.iop.org
Neoclassical transport processes are important to the understanding of plasma confinement
physics in doubly periodic magnetized toroidal plasmas, especially, after the impact of the …

Interaction between a magnetic island and turbulence

MJ Choi - Reviews of Modern Plasma Physics, 2021 - Springer
Interaction between a magnetic island and turbulence has been intensively studied in recent
years with advance of plasma diagnostics in various plasma experiment devices such as …

PID-inspired inductive biases for deep reinforcement learning in partially observable control tasks

I Char, J Schneider - Advances in Neural Information …, 2024 - proceedings.neurips.cc
Deep reinforcement learning (RL) has shown immense potential for learning to control
systems through data alone. However, one challenge deep RL faces is that the full state of …

Progress in disruption prevention for ITER

EJ Strait, JL Barr, M Baruzzo, JW Berkery… - Nuclear …, 2019 - iopscience.iop.org
Key plasma physics and real-time control elements needed for robustly stable operation of
high fusion power discharges in ITER have been demonstrated in recent research …

Observation of Plasma Rotation Driven by Static Nonaxisymmetric Magnetic Fields<? format?> in a Tokamak

AM Garofalo, KH Burrell, JC DeBoo, JS DeGrassie… - Physical review …, 2008 - APS
We present the first evidence for the existence of a neoclassical toroidal rotation driven in a
direction counter to the plasma current by nonaxisymmetric, nonresonant magnetic fields. At …

Offline model-based reinforcement learning for tokamak control

I Char, J Abbate, L Bardóczi, M Boyer… - … for Dynamics and …, 2023 - proceedings.mlr.press
Control for tokamaks, the leading candidate technology for nuclear fusion, is an important
pursuit since the realization of nuclear fusion as an energy source would result in virtually …

Theory and observations of magnetic islands

FL Waelbroeck - Nuclear Fusion, 2009 - iopscience.iop.org
Magnetic islands are a ubiquitous feature of magnetically confined plasmas. They arise as
the result of plasma instabilities as well as externally imposed symmetry-breaking …

Effects of 3D magnetic perturbations on toroidal plasmas

JD Callen - Nuclear Fusion, 2011 - iopscience.iop.org
Abstract Small three-dimensional (3D) magnetic field perturbations have many interesting
and possibly useful effects on tokamak and quasi-symmetric stellarator plasmas. Plasma …

A brief review: effects of resonant magnetic perturbation on classical and neoclassical tearing modes in tokamaks

W Zhengxiong, T Weikang, WEI Lai - Plasma Science and …, 2022 - iopscience.iop.org
This paper reviews the effects of resonant magnetic perturbation (RMP) on classical tearing
modes (TMs) and neoclassical tearing modes (NTMs) from the theory, experimental …

Steady-state tokamak research: Core physics

M Kikuchi, M Azumi - Reviews of Modern Physics, 2012 - APS
Tokamaks have demonstrated excellent plasma confinement capability because of their
symmetry but has an intrinsic drawback because of their pulsed inductive operation. Efforts …