Global Solutions of the Boltzmann Equation over R D near Global Maxwellians with Small Mass

Claude Bardos 1 Irene Gamba 2 François Golse 3 C.David Levermore 4
1 LJLL - Laboratoire Jacques-Louis Lions
2 Departement of Mathematics [Austin]
3 CMLS - Centre de Mathématiques Laurent Schwartz
4 Department of Mathematics, University of Maryland
Abstract : We study the dynamics defined by the Boltzmann equation set in the Euclidean space RD in the vicinity of global Maxwellians with finite mass. A global Maxwellian is a special solution of the Boltzmann equation for which the collision integral vanishes identically. In this setting, the dispersion due to the advection operator quenches the dissipative effect of the Boltzmann collision integral. As a result, the large time limit of solutions of the Boltzmann equation in this regime is given by noninteracting, freely transported states and can be described with the tools of scattering theory.
Keywords : Scattering operator Large time limit Free transport Boltzmann collision integral Boltzmann H Theorem Boltzmann equation Global Maxwellian
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Journal articles
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Submitted on : Thursday, September 4, 2014 - 2:53:49 PM
Last modification on : Friday, August 2, 2019 - 2:30:10 PM
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Claude Bardos, Irene Gamba, François Golse, C.David Levermore. Global Solutions of the Boltzmann Equation over R D near Global Maxwellians with Small Mass. Communications in Mathematical Physics, Springer Verlag, 2016, 346 (2), pp.435-467. ⟨10.1007/s00220-016-2687-7⟩. ⟨hal-01060894⟩

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