183 citations · 392 across the 6 of their papers we have counts for
6 papers
Fulfillment of sum rules and Ward identities in the multiloop functional renormalization group solution of the Anderson impurity model
Patrick Chalupa-Gantner, Fabian B. Kugler, Cornelia Hille +3
We investigate several fundamental characteristics of the multiloop functional renormalization group (mfRG) flow by hands of its application to a prototypical many-electron system:…
Single boson exchange representation of the functional renormalization group for strongly interacting many-electron systems
Pietro M. Bonetti, Alessandro Toschi, Cornelia Hille +2
We present a reformulation of the functional renormalization group (fRG) for many-electron systems, which relies on the recently introduced single boson exchange (SBE) representati…
Tracking the Footprints of Spin Fluctuations: A MultiMethod, MultiMessenger Study of the Two-Dimensional Hubbard Model
Thomas Schäfer, Nils Wentzell, Fedor Šimkovic +23
The Hubbard model represents the fundamental model for interacting quantum systems and electronic correlations. Using the two-dimensional half-filled Hubbard model at weak coupling…
Pseudogap opening in the two-dimensional Hubbard model: A functional renormalization group analysis
Cornelia Hille, Daniel Rohe, Carsten Honerkamp +1
Using the recently introduced multiloop extension of the functional renormalization group, we compute the frequency- and momentum-dependent self-energy of the two-dimensional Hubba…
Quantitative functional renormalization-group description of the two-dimensional Hubbard model
Cornelia Hille, Fabian B. Kugler, Christian J. Eckhardt +5
Using a leading algorithmic implementation of the functional renormalization group (fRG) for interacting fermions on two-dimensional lattices, we provide a detailed analysis of its…
Multiloop functional renormalization group for the two-dimensional Hubbard model: Loop convergence of the response functions
Agnese Tagliavini, Cornelia Hille, Fabian B. Kugler +3
We present a functional renormalization group (fRG) study of the two dimensional Hubbard model, performed with an algorithmic implementation which lifts some of the common approxim…