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Divergences of the irreducible vertex functions in correlated metallic systems: Insights from the Anderson Impurity Model
P. Chalupa, P. Gunacker, T. Schäfer +2
In this work, we analyze in detail the occurrence of divergences in the irreducible vertex functions for one of the fundamental models of many-body physics: the Anderson impurity m…
Toward the description of fluid dynamical fluctuations in heavy-ion collisions
Marlene Nahrgang, Marcus Bluhm, Thomas Schäfer +1
In this talk we present results obtained when fluid dynamical fluctuations are included in relativistic dimensional viscous fluid dynamics. We discuss effects of the interact…
Breakdown of traditional many-body theories for correlated electrons
O. Gunnarsson, G. Rohringer, T. Schäfer +2
Starting from the (Hubbard) model of an atom, we demonstrate that the uniqueness of the mapping from the interacting to the noninteracting Green's function, , is strongly…
Determination of the density and temperature dependence of the shear viscosity of a unitary Fermi gas based on hydrodynamic flow
Marcus Bluhm, Jiaxun Hou, Thomas Schaefer
We determine the shear viscosity of the ultracold Fermi gas at unitarity in the normal phase using hydrodynamic expansion data. The analysis is based on a generalized fluid dynamic…