The Hubbard model represents the fundamental model for interacting quantum systems and
electronic correlations. Using the two-dimensional half-filled Hubbard model at weak …

We identify a superconducting order featuring spatial pair modulations on the kagome lattice
subject to on-site Hubbard U and nearest-neighbor V interactions. Within our functional …

Vertex functions are a crucial ingredient of several forefront many-body algorithms in
condensed matter physics. However, the full treatment of their frequency and momentum …

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 …

We perform a data-driven dimensionality reduction of the scale-dependent four-point vertex
function characterizing the functional renormalization group (FRG) flow for the widely …

A major challenge in the field of correlated electrons is the computation of dynamical
correlation functions. For comparisons with experiment, one is interested in their real …

The parquet formalism and Hedin's GW γ approach are unified into a single theory of vertex
corrections, corresponding to an exact reformulation of the parquet equations in terms of …

The Rashba-Hubbard model on the square lattice is the paradigmatic case for studying the
effect of spin-orbit coupling, which breaks spin and inversion symmetry, in a correlated …

We present and implement a parquet approximation within the dual-fermion formalism
based on a partial bosonization of the dual vertex function which substantially reduces the …

The recent discovery of a variety of intricate electronic order in kagome metals has sprouted
significant theoretical and experimental interest. From an electronic perspective on the …