44 citations · 114 across the 3 of their papers we have counts for
3 papers
Hybrid NRG-DMRG approach to real-time dynamics of quantum impurity systems
Fabian Guettge, Frithjof B. Anders, Ulrich Schollwoeck +2
A hybrid approach to nonequilibrium dynamics of quantum impurity systems is presented. The numerical renormalization group serves as a means to generate a suitable low-energy Hamil…
Coherent control of correlated nanodevices: A hybrid time-dependent numerical renormalization-group approach to periodic switching
Eitan Eidelstein, Avraham Schiller, Fabian Guettge +1
The time-dependent numerical renormalization-group approach (TD-NRG), originally devised for tracking the real-time dynamics of quantum-impurity systems following a single quantum…
The mass-flow error in the Numerical Renormalization Group method and the critical behavior of the sub-ohmic spin-boson model
Matthias Vojta, Ralf Bulla, Fabian Guettge +1
We discuss a particular source of error in the Numerical Renormalization Group (NRG) method for quantum impurity problems, which is related to a renormalization of impurity paramet…