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Solutions to the cold plasma model at resonances. (English. French summary) Zbl 1378.78013
This paper deals with singular solutions at resonances in a cold magnetized plasma model. The authors develop a new mathematical method based on finding local solutions in terms of Bessel functions and introduce a new stretching function that satisfies the eikonal equation. Such a simplified approach allows for a better understanding of resonant heating and the structure of local solutions at hybrid resonance. The considered method can be applied in studies of electromagnetic waves in tokamak plasmas.

##### MSC:
 78A40 Waves and radiation in optics and electromagnetic theory 76W05 Magnetohydrodynamics and electrohydrodynamics 14B05 Singularities in algebraic geometry 58K05 Critical points of functions and mappings on manifolds 58K55 Asymptotic behavior of solutions to equations on manifolds 82D75 Nuclear reactor theory; neutron transport
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