Abstract
The dynamics of dilute electrons can be modelled by the fundamental Vlasov–Poisson–Boltzmann system which describes mutual interactions of the electrons through collisions in the self-consistent electric field. In this paper, it is shown that any smooth perturbation of a given global Maxwellian leads to a unique global-in-time classical solution when either the mean free path is small or the background charge density is large. Moreover, the solution converges to the global Maxwellian when time tends to infinity. The analysis combines the techniques used in the study of conservation laws with the decomposition of the Boltzmann equation introduced in [17, 19] by obtaining new entropy estimates for this physical model.
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Communicated by C.M. Dafermos
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Yang, T., Yu, H. & Zhao, H. Cauchy Problem for the Vlasov–Poisson–Boltzmann System. Arch Rational Mech Anal 182, 415–470 (2006). https://doi.org/10.1007/s00205-006-0009-5
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DOI: https://doi.org/10.1007/s00205-006-0009-5