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Pré-Publication, Document De Travail Année : 2024

Linear and Non linear stability for the kinetic plasma sheath on a bounded interval

Stabilité linéaire et non linéaire pour la gaine cinétique sur un intervalle borné

Résumé

Plasma sheaths are inhomogeneous equilibrium that form when a plasma is in contact with an absorbing wall. We prove linear and non linear stability of a kinetic sheath equilibrium for a Vlasov-Poisson type system in a bounded interval. Notably, in the linear setting, we obtain exponential decay of the fluctuation provided the rate of injection of particles at equilibrium is smaller that the rate of absorption at the wall. In the non linear setting, we prove a similar result for small enough equilibrium and small localized perturbation of the equilibrium.
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Dates et versions

hal-04652921 , version 1 (18-07-2024)

Identifiants

  • HAL Id : hal-04652921 , version 1

Citer

Mehdi Badsi. Linear and Non linear stability for the kinetic plasma sheath on a bounded interval. 2024. ⟨hal-04652921v1⟩
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