Electron hydrodynamics in Dirac Systems

Thursday, June 6, 2019 - 9:30am - 10:30am
Lind 409
Joerg Schmalian (Karlsruhe Institute of Technology)
The last few years have seen an increase of interest in hydrodynamic effects in interacting electron systems in ultra-pure materials. In this talk we review the recent theoretical advances in the hydrodynamic approach to electronic transport in graphene at the neutrality point and in related Dirac materials. We present a calculation of the full non-local transport , scrambling, and of the role of boundary conditions for transport in graphene. In addition we present an analysis of hydrodynamic transport in strongly anisotropic systems and demonstrate that this gives rise to a violation of the bound on the ratio of the shear viscosity and the entropy density.