Exact solution to a nearly parallel vortex filament mean-field theory

Details Exact solution to a nearly parallel vortex filament mean-field theory Exact solution to a nearly parallel vortex filament mean-field theory

2008-12-08

arxiv.org/abs/0812.1508v2

Physics

Condensed Matter

Statistical Mechanics

4 pages, no figures

Scientific paper

Nearly parallel vortex filaments are a generalization of point vortices and describe many phenomena under conservation of angular momentum including vortices forming in deep ocean convection, magnetically confined plasmas, and the solar atmosphere. While point vortices represent perfectly straight, parallel lines of circulation, nearly parallel vortex filaments have some curvature due to internal viscosity. They interact logarithmically but have a kinetic self-energy as well. In this letter, I present an exact solution of a system of these filaments under angular momentum conservation in a mean-field theory. I show that the filaments have an infinite order phase transition not present in the point vortex model.

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