Theory of current drive in plasmas

NJ Fisch - Reviews of Modern Physics, 1987 - APS
The continuous operation of a tokamak fusion reactor requires, among other things, a means
of providing continuously the toroidal current. Such operation is preferred to the …

Fokker-Planck and quasilinear codes

CFF Karney - Computer Physics Reports, 1986 - Elsevier
FOKKER-PLANCK AND QUASILINEAR CODES Charles FF KARNEY 0167-7977/86/$21.70
0 Elsevier Science Publishers BV (North-Holland Ph Page 1 Computer Physics Reports 4 (1986) …

Theory of free-electron-laser heating and current drive in magnetized plasmas

BI Cohen, RH Cohen, WMC Nevins, TD Rognlien - Reviews of modern physics, 1991 - APS
The introduction of a powerful new microwave source, the free-electron laser, provides new
opportunities for novel heating and current-drive schemes to be used in toroidal fusion …

Numerical calculation of the runaway electron distribution function and associated synchrotron emission

M Landreman, A Stahl, T Fülöp - Computer Physics Communications, 2014 - Elsevier
Synchrotron emission from runaway electrons may be used to diagnose plasma conditions
during a tokamak disruption, but solving this inverse problem requires rapid simulation of the …

A physics-informed deep learning model of the hot tail runaway electron seed

CJ McDevitt - Physics of Plasmas, 2023 - pubs.aip.org
A challenging aspect of the description of a tokamak disruption is evaluating the hot tail
runaway electron seed that emerges during the thermal quench. This problem is made …

Dynamic modelling of lower hybrid current drive

DW Ignat, EJ Valeo, SC Jardin - Nuclear Fusion, 1994 - iopscience.iop.org
A dynamic computational model of lower hybrid current drive in the presence of an electric
field is described and some results are given. Details of geometry, plasma profiles and …

Transport of fast electrons during LHCD in TS, JET, and ASDEX

Y Peysson - Plasma Physics and Controlled Fusion, 1993 - iopscience.iop.org
A review of fast electron dynamic studies in the tokamaks TS, JET, and ASDEX during lower
hybrid current drive is presented. In almost all experiments, the collisional slowing down is …

A Physics-Constrained Deep Learning Treatment of Runaway Electron Dynamics

CJ McDevitt, J Arnaud, XZ Tang - arXiv preprint arXiv:2412.12980, 2024 - arxiv.org
An adjoint formulation leveraging a physics-informed neural network (PINN) is employed to
advance the density moment of a runaway electron (RE) distribution forward in time. A …

Phase-space dynamics of runaway electrons in tokamaks

X Guan, H Qin, NJ Fisch - Physics of Plasmas, 2010 - pubs.aip.org
The phase-space dynamics of runaway electrons is studied, including the influence of loop
voltage, radiation damping, and collisions. A theoretical model and a numerical algorithm for …

Investigation of lower hybrid wave coupling and current drive experiments at different configurations in experimental advanced superconducting tokamak

BJ Ding, YL Qin, WK Li, MH Li, EH Kong, L Zhang… - Physics of …, 2011 - pubs.aip.org
Using a 2 MW 2.45 GHz lower hybrid wave (LHW) system installed in experimental
advanced superconducting tokamak, we have systematically carried out LHW-plasma …