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IEEE Transactions on Plasma Science

Images of Electrostatic Lower-Hybrid-Wave Beam Propagation in Tokamak Plasmas Using a Paraxial WKB Approach
  Paulo Rodrigues e João P. S. Bizarro
  2002
  DOI
 
Resumo
 

A multidimensional paraxial Wentzel-Kramers-Brillouin approach is used to yield the distribution of wave potential for electrostatic lower-hybrid wave propagation in tokamak plasmas under current-drive conditions. This so-called beam tracing allows a more detailed description of wave properties than standard ray tracing. Namely, it accounts for diffraction effects, hence energy flow, in the direction perpendicular to the group velocity.

 

 

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