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Abstract

Solutions to a singular one-dimensional Vlasov equation are obtained as the semiclassical limit of the Wigner transform associated to a logarithmic Schrödinger equation. Two frameworks are considered, regarding in particular the initial position density: Gaussian initial density, or smooth initial density away from vacuum. For Gaussian initial densities, the analysis also yields global solutions to the isothermal Euler system that do not enter the frame of regular solutions to hyperbolic systems by P.D. Lax.

Keywords

Plasmas logarithmic Schrödinger equation Vlasov equation isothermal Euler system semi-classical limit

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Monokinetic solutions to a singular Vlasov equation from a semiclassical perspective

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