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research article

Experimental Observation of the Blob-Generation Mechanism from InterchangeWaves in a Plasma

Furno, I.  
•
Labit, B.  
•
Podesta, M.  
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2008
Physical Review Letters

The mechanism for blob generation in a toroidal magnetized plasma is investigated using time-resolved measurements of two-dimensional structures of electron density, temperature, and plasma potential. The blobs are observed to form from a radially elongated structure that is sheared off by the $E \times B$ flow. The structure is generated by an interchange wave that increases in amplitude and extends radially in response to a decrease of the radial pressure scale length. The dependence of the blob amplitude upon the pressure radial scale length is discussed.

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Type
research article
DOI
10.1103/PhysRevLett.100.055004
Web of Science ID

WOS:000253019600039

Author(s)
Furno, I.  
Labit, B.  
Podesta, M.  
Fasoli, A.  
Mueller, S. H.
Poli, F. M.  
Ricci, P.  
Theiler, C.  
Date Issued

2008

Published in
Physical Review Letters
Volume

100

Issue

5

Article Number

055004

Subjects

plasma

•

turbulence

•

blob

•

TORPEX group

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
CRPP  
SPC  
Available on Infoscience
May 28, 2008
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/25956
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