Kinetic transport in the two-dimensional periodic Lorentz gas

J Marklof, A Strombergsson

Research output: Contribution to journalArticle (Academic Journal)peer-review

27 Citations (Scopus)


The periodic Lorentz gas describes an ensemble of non-interacting point particles in a periodic array of spherical scatterers. We have recently shown that, in the limit of small scatterer density (Boltzmann–Grad limit), the macroscopic dynamics converges to a stochastic process, whose kinetic transport equation is not the linear Boltzmann equation—in contrast to the Lorentz gas with a disordered scatterer configuration. This paper focuses on the two-dimensional set-up and reports an explicit, elementary formula for the collision kernel of the transport equation.
Translated title of the contributionKinetic transport in the two-dimensional periodic Lorentz gas
Original languageEnglish
Pages (from-to)1413 - 1422
Number of pages10
Volume21, issue 7
Publication statusPublished - Jul 2008

Bibliographical note

Publisher: IOP


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