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Open Quantum Systems Decoherence
Quantum Simulation
Out-of-bounds hydrodynamics in anisotropic Dirac fluids
arXiv
Authors: Julia M. Link, Boris N. Narozhny, Egor I. Kiselev, Jörg Schmalian
Year
2017
Paper ID
44134
Status
Preprint
Abstract Read
~2 min
Abstract Words
81
Citations
N/A
Abstract
We study the hydrodynamic behavior in two-dimensional, interacting electronic systems with merging Dirac points at charge neutrality. The dispersion along one crystallographic direction is Dirac-like, while it is Newtonian-like in the orthogonal direction. As a result, the electrical conductivity is metallic in one and insulating in the other direction. One element of the shear viscosity tensor violates the famous lower bound for the shear viscosity to entropy density ratio,an effect that can be probed via anisotropic thermal Hagen- Poiseuille flow.
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- We study the hydrodynamic behavior in two-dimensional, interacting electronic systems with merging Dirac points at charge neutrality.
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