Geodesic
Gausian packets and beams with focal points in vector problems of plasma physics
Teoretičeskaâ i matematičeskaâ fizika, Tome 196 (2018) no. 1, pp. 135-160

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We consider a linearized equation describing plasma motion in a toroidal domain (tokamak) and study the asymptotic forms of steady-state solutions of the Gaussian beam type with a short wave length, which correspond to electric modes. We also study Gaussian wave packets and localized “cigar”-type beams describing the transmission of localized perturbations through the tokamak chamber. We separately consider the case of focal points on a trajectory and the asymptotic forms in a neighborhood of a focal point.
Keywords: linearized plasma equation, Maslov complex germ, Gaussian beam.
Mots-clés : tokamak 
@article{TMF_2018_196_1_a10,
     author = {A. Yu. Anikin and S. Yu. Dobrokhotov and A. I. Klevin and B. Tirozzi},
     title = {Gausian packets and beams with focal points in vector problems of plasma physics},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {135--160},
     publisher = {mathdoc},
     volume = {196},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2018_196_1_a10/}
}
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A. Yu. Anikin; S. Yu. Dobrokhotov; A. I. Klevin; B. Tirozzi. Gausian packets and beams with focal points in vector problems of plasma physics. Teoretičeskaâ i matematičeskaâ fizika, Tome 196 (2018) no. 1, pp. 135-160. http://geodesic.mathdoc.fr/item/TMF_2018_196_1_a10/