Current filaments in turbulent magnetized plasmas

被引：12

作者：

Martines, E. ^{[1
]}

Vianello, N. ^{[1
]}

Sundkvist, D. ^{[2
]}

Spolaore, M. ^{[1
]}

Zuin, M. ^{[1
]}

Agostini, M. ^{[1
]}

Antoni, V. ^{[1
]}

Cavazzana, R. ^{[1
]}

Ionita, C. ^{[3
]}

Maraschek, M. ^{[4
]}

Mehlmann, F. ^{[3
]}

Mueller, H. W. ^{[4
]}

Naulin, V. ^{[5
]}

Rasmussen, J. J. ^{[5
]}

Rohde, V. ^{[4
]}

Scarin, P. ^{[1
]}

Schrittwieser, R. ^{[3
]}

Serianni, G. ^{[1
]}

Spada, E. ^{[1
]}

机构：

[1] Assoc Euratom ENEA Fus, Consorzio RFX, Padua, Italy

[2] Univ Calif Berkeley, Space Sci Lab, Berkeley, CA 94720 USA

[3] Univ Innsbruck, Assoc EURATOM OAW, Inst Ion Phys & Appl Phys, A-6020 Innsbruck, Austria

[4] Max Planck Inst Plasma Phys, EURATOM Assoc, D-85748 Garching, Germany

[5] Tech Univ Denmark, Assoc EURATOM RISO, Roskilde, Denmark

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2009年 / 51卷 / 12期

基金：

奥地利科学基金会;

关键词：

EDGE; INTERMITTENCY; COMPUTATION; TRANSPORT; DYNAMICS;

D O I：

10.1088/0741-3335/51/12/124053

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Direct measurements of current density perturbations associated with non-linear phenomena in magnetized plasmas can be carried out using in situ magnetic measurements. In this paper we report such measurements for three different kinds of phenomena. Current density fluctuations in the edge density gradient region of a fusion plasma confined in reversed field pinch configuration and in a density gradient region in the Earth magnetosphere are measured and compared, showing that in both environments they can be attributed to drift-Alfven vortices. Current structures associated with reconnection events measured in a reversed field pinch plasma and in the magnetosheath are detected and compared. Evidence of current filaments occurring during ELMs in an H-mode tokamak plasma is displayed.

引用

页数：11

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