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First evidence of Alfvén wave activity in KSTAR plasmas

Date

Authors

Hole, Matthew

Ryu, C. M

Woo, M. H

Bak, J. G

Sharapov, Sergei

Fitzgerald, Michael

KSTAR Team, The

Publisher

Institute of Physics Publishing

Abstract

We report on first evidence of wave activity during neutral beam heating in KSTAR plasmas: 40 kHz magnetic fluctuations with a toroidal mode number of n = 1. Our analysis suggests this a beta-induced Alfvén eigenmode (BAE) resonant with the q = 1 surface

Keywords

Keywords: Electron cyclotron emission; Frequency evolution; Ion temperature profiles; Magnetic configuration; Magnetic fluctuation; Neutral beam heating; Temperature profiles; Toroidal mode numbers; Crystallography; Ions; Magnetohydrodynamics; Temperature control;

URI

http://hdl.handle.net/1885/31485

Collections

ANU Research Publications

Source

Plasma Physics and Controlled Fusion

Type

Journal article

DOI

10.1088/0741-3335/55/4/045004

Restricted until

2037-12-31

Downloads

File

Description

01_Hole_First_evidence_of_Alfvén_wave_2013.pdf (983.24 KB)