429 citations · 714 across the 10 of their papers we have counts for
8 papers · 1 filter
Conserving approximations in direct perturbation theory: new semianalytical impurity solvers and their application to general lattice problems
Norbert Grewe, Sebastian Schmitt, Torben Jabben +1
For the treatment of interacting electrons in crystal lattices approximations based on the picture of effective sites, coupled in a self-consistent fashion, have proven very useful…
Dissipative Two-Electron Transfer
S. Tornow, R. Bulla, F. B. Anders +1
We investigate non-equilibrium two-electron transfer in a model redox system represented by a two-site extended Hubbard model and embedded in a dissipative environment. The influen…
Influence of disorder on the transport properties of heavy-fermion systems
Claas Grenzebach, Frithjof B. Anders, Gerd Czycholl +1
The influence of substitutional disorder on the transport properties of heavy-fermion systems is investigated. We extend the dynamical mean-field theory treatment of the periodic A…
Real-time dynamics in Quantum Impurity Systems: A Time-dependent Numerical Renormalization Group Approach
Frithjof B. Anders, Avraham Schiller
We develop a general approach to the nonequilibrium dynamics of quantum impurity systems for arbitrary coupling strength. The numerical renormalization group is used to generate a…
Coulomb blockade and Non-Fermi-liquid behavior in quantum dots
Frithjof B. Anders, Eran Lebanon, Avraham Schiller
The non-Fermi-liquid properties of an ultrasmall quantum dot coupled to a lead and to a quantum box are investigated. Tuning the ratio of the tunneling amplitudes to the lead and b…
High Energy Dynamics of the Single Impurity Anderson Model
Carsten Raas, Götz S. Uhrig, Frithjof B. Anders
The quantitative control of the dynamic correlations of single impurity Anderson models is essential in several very active fields. We analyze the one-particle Green function with…