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CAN ONE HEAR WHISTLER WAVES ?

Abstract : The aim of this article is to propose a mathematical framework giving access to a better understanding of whistler-mode chorus emissions in space plasmas. There is presently a general agreement that the emissions of whistler waves involve a mechanism of wave-particle interaction which can be described in the framework of the relativistic Vlasov-Maxwell equations. In dimensionless variables, these equationsinvolve a penalized skew-symmetric term where the inhomogeneity of the strong exterior magnetic field plays an essential part. The description of the related phenomena is achieved in two stages. The first is based on a new approach allowing to extend in longer times the classical insights on fast rotating fluids; it justifies the existence and the validity of long time gyro-kinetic equations; it furnishes criterions to impose on a magnetic field in order to obtain the long time dynamical confinement of plasmas. The second stage is based on a study of oscillatory integrals implying special phases; it deals with the problem of the creation of light inside plasmas.
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https://hal.archives-ouvertes.fr/hal-00956458
Contributor : Christophe Cheverry Connect in order to contact the contributor
Submitted on : Monday, November 24, 2014 - 1:48:53 PM
Last modification on : Friday, May 20, 2022 - 9:04:45 AM
Long-term archiving on: : Wednesday, February 25, 2015 - 10:55:23 AM

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Christophe Cheverry. CAN ONE HEAR WHISTLER WAVES ?. Communications in Mathematical Physics, Springer Verlag, 2015, 338 (2), pp.641-703. ⟨10.1007/s00220-015-2389-6⟩. ⟨hal-00956458v2⟩

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