87 citations · 209 across the 14 of their papers we have counts for
5 papers · 1 filter
Third-order Algebraic Diagrammatic Construction Renormalized by Particle-Particle Ladders
Arno Förster
The algebraic diagrammatic construction (ADC) of the electronic self-energy is based on Moller-Plesset perturbation theory. Its vertices contain bare energy denominators that do no…
Benchmark of Multi-Channel Dyson Equation and Algebraic Diagrammatic Construction Methods for molecules
Mike Keizer, Stefano Paggi, J. Arjan Berger +2
The Dyson-algebraic diagrammatic construction (ADC) and the multi-channel Dyson equation (MCDE) formalisms explicitly leverage multi-particle channels to formulate correlated theor…
Approaching Coupled Cluster Accuracy with Positive Semidefinite Vertex Corrected Self-Energies
Yaroslav Pavlyukh, Fabien Bruneval, Arno Förster
Hedin's formalism of functional derivatives is the best-known method for systematically constructing correlated electronic theories, largely due to the success of its lowest-order…
reduced density matrix from iterated linearized Dyson equation
Fabien Bruneval, Erik Verzijl, Arno Förster +1
Iterating the Dyson equation with the static part of the self-energy leads to a concise and possibly improved expression of the one-body reduced density matrix from any self-energy…
Static Effective Hamiltonians for Molecular Systems through RPA-based Downfolding
Erik Verzijl, Arno Förster
Green's function-based downfolding methods construct effective Hamiltonians of reduced dimension that capture dynamical correlations of an electronic environment through effective…