Phys. Rev. Lett. 80, 4185–4188 (1998)Electrostatic Turbulence and Transport in the Velocity Shear Layer of a Reversed Field Pinch PlasmaReceived 14 November 1997; published in the issue dated 11 May 1998 The electrostatic turbulence in the edge plasma of the RFX reversed field pinch experiment has been studied using Langmuir probes and a homodyne reflectometer. The radial particle flux driven by electrostatic fluctuations has been measured in the region where a double E×B velocity shear layer occurs. It is found that almost 100% of the particle flux at the edge is driven by electrostatic fluctuations. The naturally occurring E×B velocity shear has been shown to be close to that required by the Biglari-Diamond-Terry criterion for turbulence radial decorrelation. © 1998 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.80.4185
DOI:
10.1103/PhysRevLett.80.4185
PACS:
52.25.Fi, 52.35.Ra, 52.55.Hc, 52.70.Ds
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