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Exact Area Law for Planar Loops in Turbulence in Two and Three Dimensions

2019/04/10 by Alexander Migdal, Migdal, Alexander · 1 citation
Engineering · #Chaotic Dynamics (nlin.CD) #FOS: Physical sciences #Fluid Dynamics (physics.flu-dyn) #Fluid Dynamics and Turbulent Flows #High Energy Physics - Theory (hep-th)

paper · pdf · doi:10.48550/arxiv.1904.05245

openalex publication_date 2019/04/10 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We study properties of the minimal surface in the Area Law Solution \citeM93, \citeM19a, \citeM19b. We find out that Area Law holds exactly for 2D turbulence as well as for arbitrary planar loop in higher dimensions. This relies on our previous result α= (1)/(2) in which case the second moment of circulation can be proven to reduce to the area inside the planar loop. In d=3, we demonstrate how the Stokes condition ∂i ωi(r)=0 is exactly satisfied for the minimal surface solution in virtue of vanishing mean curvature at the minimal surface. In order to satisfy Loop Equation beyond planar loops, we introduce self-consistent conformal metric on the surface designed to preserve Stokes condition but to compensate the terms in the loop equation. We derive nonlinear integral equation for this conformal metric as a function of a point on a surface.

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