Open AccessObservation of Stable Superdense Core Plasmas in the Large Helical Device
Author(s) -
N. Ohyabu,
T. Morisaki,
S. Masuzaki,
R. Sakamoto,
M. Kobayashi,
J. Miyazawa,
M. Shoji,
A. Komori,
O. Motojima
Publication year - 2006
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.97.055002
Subject(s) - large helical device , plasma , core (optical fiber) , diffusion , atomic physics , physics , materials science , pellets , national ignition facility , molecular physics , nuclear physics , inertial confinement fusion , thermodynamics , optics , composite material
The anomalous particle transport in a tokamak core is believed to be linked to the advection of magnetically trapped electrons alone, owing to the passing electrons maintaining a thermal equilibrium along the field lines. Surprisingly, in nonlinear numerical studies, the radial flux of passing electrons rivals that of the trapped ones. The strong interaction of passing electrons and electric fluctuations is mediated by long tails of the modes along the magnetic field, which are generated by the passing electrons in the first place
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