Transport barrier created by dimerized islands
- Physica A
- M. Robertoa
- E. C. Da Silvab
- I. L. Caldasb
- R. L. Vianac
Publication date
January 2004
DOI ISSN
0378-4371 Citation count (estimate)
9Abstract
We investigated the structure of magnetic 4eld lines in a tokamak with reversed magnetic shear and non-symmetric perturbations by means of analytically derived area-preserving non-twist Poincar7e maps. The maps are used to study magnetic island dimerization and the formation of a transport barrier in the chaotic layer of 4eld lines
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