Critical geometry of two-dimensional passive scalar turbulence
- Resource Type
- Working Paper
- Authors
- Kondev, J.; Huber, G.
- Source
- Subject
- Condensed Matter - Statistical Mechanics
Nonlinear Sciences - Chaotic Dynamics
- Language
Passive scalars advected by a magnetically driven two-dimensional turbulent flow are analyzed using methods of statistical topography. The passive tracer concentration is interpreted as the height of a random surface and the scaling properties of its contour loops are analyzed. Various exponents that describe the loop ensemble are measured and compared to a scaling theory. This leads to a geometrical criterion of intermittency of scalar fluctuations.
Comment: 4 pages, 1 figure; comments to kondev@brandeis.edu