Why current-carrying magnetic flux tubes gobble up plasma and become thin as a result a ...

@inproceedings{Bellanb2003WhyCM,
  title={Why current-carrying magnetic flux tubes gobble up plasma and become thin as a result a ...},
  author={P. M. Bellanb},
  year={2003}
}
  • P. M. Bellanb
  • Published 2003
Suppose an electric current I flows along a magnetic flux tube that has poloidal flux c and radius a5a(z), wherez is the axial position along the flux tube. This current creates a toroidal magnetic field Bf . It is shown that, in such a case, nonlinear, nonconservative J3B forces accelerate plasma axially from regions of small a to regions of largea and that this acceleration is proportional to ]I /]z. Thus, if a current-carrying flux tube is bulged at, say, z50 and constricted at, say, z 56h… CONTINUE READING
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