Topological properties of the edge ergodic layer in tokamak plasma

Author

Kobayashi, M. ; Eich, T. ; Abdullaev, S.S. ; Finken, K.H.

Author_Institution

Inst. fur Plasmaphys., Forschungszentrum Julich GmbH, Germany

Volume

30

Issue

1

fYear

2002

fDate

2/1/2002 12:00:00 AM

Firstpage

66

Lastpage

67

Abstract

A topological property appearing in a tokamak with edge ergodized is a transition from a well-ordered system to a chaotic-fractal one. This transition often creates "nice" looking structures such as the well known Mandelbrot picture. In this paper, we present the visualization of the magnetic field structure observed in the torus experiment for technology oriented research-dynamic ergodic divertor, using an asymptotical mapping method. The effect of such a structure on the important transport issue in fusion devices is discussed

Keywords

chaos; fractals; plasma boundary layers; plasma toroidal confinement; plasma transport processes; topology; Mandelbrot picture; asymptotical mapping method; chaotic-fractal system; dynamic ergodic divertor; edge ergodic layer; fusion devices; magnetic field structure; particle transport; scattering chaotic system; technology oriented research; tokamak plasma; topological properties; well-ordered system; Chaos; Magnetic flux; Magnetic resonance; Plasma confinement; Plasma devices; Plasma properties; Plasma transport processes; Stochastic resonance; Tokamaks; Toroidal magnetic fields;

fLanguage

English

Journal_Title

Plasma Science, IEEE Transactions on

Publisher

ieee

ISSN

0093-3813

Type

jour

DOI

10.1109/TPS.2002.1003926

Filename

1003926