activity
20052026
most citedPoint defect modeling in materials: coupling ab initio and elasticity approaches

206 citations · 1.1k across the 22 of their papers we have counts for

collaborators
Showing physics.chem-phShow all

7 papers · 1 filter

physics.chem-ph2026

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…

physics.chem-ph2026

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…

physics.chem-ph2024★ 1 cited

Why does the approximation give accurate quasiparticle energies? The cancellation of vertex corrections quantified

Arno Förster, Fabien Bruneval

Hedin's approximation to the electronic self-energy has been impressively successful to calculate quasiparticle energies, such as ionization potentials, electron affinities, o…

physics.chem-ph2024★ 2 cited

Time-Reversal Symmetry in RDMFT and pCCD with Complex-Valued Orbitals

Mauricio Rodríguez-Mayorga, Pierre-François Loos, Fabien Bruneval +1

Reduced density matrix functional theory (RDMFT) and coupled cluster theory restricted to paired double excitations (pCCD) are emerging as efficient methodologies for accounting fo…

physics.chem-ph2023

RPA, an accurate and fast method for the computation of static non-linear optical properties

Pau Besalú-Sala, Fabien Bruneval, Ángel José Pérez-Jiménez +2

The accurate computation of non-linear optical properties (NLOPs) in large polymers requires accounting for electronic correlation effects with a reasonable computational cost. The…

physics.chem-ph2023

density matrix to estimate self-consistent total energy in solids

Adam Hassan Denawi, Fabien Bruneval, Marc Torrent +1

The approximation is a well-established method for calculating ionization potentials and electron affinities in solids and molecules. For numerous years, obtaining self-consis…