Mesoscale transport properties induced by near critical resistive pressure-gradient-driven turbulence in toroidal geometry

Numerical calculations of resistive pressure-gradient-driven turbulence in toroidal geometry in a range of beta values where the pressure profile is close to critical show self-similarity of space and time scales. These self-similarity properties lead to a fractional diffusive equation for mesoscale...

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Bibliographic Details
Published in:Physics of plasmas 2006-02, Vol.13 (2)
Main Authors: Garcia, L., Carreras, B. A.
Format: Article
Language:English
Subjects:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
CHARGED-PARTICLE TRANSPORT
CYLINDRICAL CONFIGURATION
FRACTALS
GEOMETRY
INDEXES
NUMERICAL ANALYSIS
PLASMA
PLASMA PRESSURE
PRESSURE GRADIENTS
TURBULENCE
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Summary:Numerical calculations of resistive pressure-gradient-driven turbulence in toroidal geometry in a range of beta values where the pressure profile is close to critical show self-similarity of space and time scales. These self-similarity properties lead to a fractional diffusive equation for mesoscale tracer-particle transport. The indices of the fractional derivates are consistent with the ones found for resistive pressure-gradient-driven turbulence in cylindrical geometry.
ISSN:1070-664X
1089-7674
DOI:10.1063/1.2172177