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Diagrammatic routes to nonlocal correlations beyond dynamical mean field theory
Strong electronic correlations pose one of the biggest challenges to solid state theory.
Recently developed methods that address this problem by starting with the local, eminently …
Recently developed methods that address this problem by starting with the local, eminently …
Solutions of the two-dimensional Hubbard model: Benchmarks and results from a wide range of numerical algorithms
Numerical results for ground-state and excited-state properties (energies, double
occupancies, and Matsubara-axis self-energies) of the single-orbital Hubbard model on a …
occupancies, and Matsubara-axis self-energies) of the single-orbital Hubbard model on a …
Tracking the footprints of spin fluctuations: A multimethod, multimessenger study of the two-dimensional Hubbard model
The Hubbard model represents the fundamental model for interacting quantum systems and
electronic correlations. Using the two-dimensional half-filled Hubbard model at weak …
electronic correlations. Using the two-dimensional half-filled Hubbard model at weak …
Merging GW with DMFT and non-local correlations beyond
We review recent developments in electronic structure calculations that go beyond state-of-
the-art methods such as density functional theory (DFT) and dynamical mean field theory …
the-art methods such as density functional theory (DFT) and dynamical mean field theory …
Magnetic correlations in infinite-layer nickelates: An experimental and theoretical multimethod study
We report a comprehensive study of magnetic correlations in LaNiO 2, a parent compound
of the recently discovered family of infinite-layer (IL) nickelate superconductors, using …
of the recently discovered family of infinite-layer (IL) nickelate superconductors, using …
Quantitative functional renormalization group description of the two-dimensional Hubbard model
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 …
interacting fermions on two-dimensional lattices, we provide a detailed analysis of its …
Impact of nonlocal correlations over different energy scales: A dynamical vertex approximation study
In this paper, we investigate how nonlocal correlations affect, selectively, the physics of
correlated electrons over different energy scales, from the Fermi level to the band edges …
correlated electrons over different energy scales, from the Fermi level to the band edges …
Mott transition and pseudogap of the square-lattice Hubbard model: Results from center-focused cellular dynamical mean-field theory
The recently proposed center-focused post-processing procedure [Phys. Rev. Res. 2,
033476 (2020)] of cellular dynamical mean-field theory suggests that central sites of large …
033476 (2020)] of cellular dynamical mean-field theory suggests that central sites of large …
Truncated unity parquet solver
We present an implementation of a truncated unity parquet solver (TUPS) which solves the
parquet equations using a truncated form-factor basis for the fermionic momenta. This way …
parquet equations using a truncated form-factor basis for the fermionic momenta. This way …
How to read between the lines of electronic spectra: The diagnostics of fluctuations in strongly correlated electron systems
While calculations and measurements of single-particle spectral properties often offer the
most direct route to study correlated electron systems, the underlying physics may remain …
most direct route to study correlated electron systems, the underlying physics may remain …