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University of Cambridge > Talks.cam > Isaac Newton Institute Seminar Series > Derivation of the Fick's law for the Lorentz model in a low density regime

## Derivation of the Fick's law for the Lorentz model in a low density regimeAdd to your list(s) Download to your calendar using vCal - Nota, A (University of Helsinki)
- Wednesday 03 June 2015, 14:00-15:00
- Seminar Room 2, Newton Institute Gatehouse.
If you have a question about this talk, please contact webseminars. Periodic and Ergodic Spectral Problems In this talk we consider a simple microscopic model given by the Lorentz gas, a system of non interacting light particles in a distribution of scatterers, in contact with two mass reservoirs. We show that, in a low density regime, there exists a unique stationary solution for the microscopic dynamics which converges to the stationary solution of the heat equation, namely to the linear profile of the density. In the same regime the macroscopic current in the stationary state is given by the Fick’s law, with the diffusion coefficient determined by the Green-Kubo formula. These results are obtained in collaboration with G. Basile, F. Pezzotti and M. Pulvirenti. This talk is part of the Isaac Newton Institute Seminar Series series. ## This talk is included in these lists:- All CMS events
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