Chaotic magnetic field lines in tokamaks with ergodic limiters

Jefferson S.E. Portela, Ricardo L. Viana and Iberê L. Caldas

Physica A: Statistical Mechanics and its Applications, 2003, vol. 317, issue 3, 411-431

Abstract: We consider a symplectic map for magnetic field lines in a tokamak with an ergodic limiter, whose function is to generate a perturbing magnetic field which causes the formation of chaotic field lines in the vicinity of the tokamak inner wall. We analyze numerically the onset of global chaos due to the interaction of adjacent magnetic islands, the size of the chaotic region, and investigate anomalous diffusion and loss of field lines due to their collisions with the tokamak wall.

Keywords: Lagrangean chaos; Tokamaks; Magnetic field lines (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:317:y:2003:i:3:p:411-431

DOI: 10.1016/S0378-4371(02)01351-1

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