Stability of singular, asymmetric stationary states of the Vlasov equation

Nocera, L. and Palumbo, L. J. (2015) Stability of singular, asymmetric stationary states of the Vlasov equation. Il nuovo cimento C, 38 (2). pp. 1-10. ISSN 1826-9885

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Abstract

We present Vlasov equilibria characterized by discontinuous distribution functions of electrons and of finite mass ions and by asymmetric electric potential profiles. These profiles well reproduce double layers, phase space holes, solitary waves, sheaths near electrodes and near surfaces of airless bodies in Space. By means of the energy method, we show that the stability of the proposed equilibria is better than that of the steady-state solutions of the Vlasov equation based on continuous distribution functions and symmetric potential profiles.

Item Type: Article
Uncontrolled Keywords: Solitons; BGK modes ; Plasma sheaths ; Fokker-Planck and Vlasov equation ; Spacecraft sheaths, wakes, and charging
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 27 May 2020 15:26
Last Modified: 27 May 2020 15:26
URI: http://eprints.bice.rm.cnr.it/id/eprint/19029

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