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@ -741,7 +741,8 @@ The $GW$ calculations performed to obtain the screened Coulomb operator and the
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Perturbative $GW$ (or {\GOWO}) \cite{Hybertsen_1985a, Hybertsen_1986} quasiparticle energies are employed as starting points to compute the BSE neutral excitations.
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These quasiparticle energies are obtained by linearizing the frequency-dependent quasiparticle equation, and the entire set of orbitals is corrected.
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Further details about our implementation of {\GOWO} can be found in Refs.~\onlinecite{Loos_2018b,Veril_2018}.
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\titou{Comment on evGW.}
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Note that, for the present (small) molecular systems, {\GOWO}@HF and ev$GW$@HF yield similar quasiparticle energies.
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Moreover, {\GOWO} allows to avoid rather laborious iterations as well as the significant additional computational effort of ev$GW$.
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As one-electron basis sets, we employ the augmented Dunning family (aug-cc-pVXZ) defined with cartesian Gaussian functions.
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Finally, the infinitesimal $\eta$ is set to $100$ meV for all calculations.
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@ -1072,6 +1073,7 @@ PFL thanks the European Research Council (ERC) under the European Union's Horizo
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This work was performed using HPC resources from GENCI-TGCC (Grant No.~2019-A0060801738) and CALMIP (Toulouse) under allocation 2020-18005.
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Funding from the \textit{``Centre National de la Recherche Scientifique''} is acknowledged.
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This study has been (partially) supported through the EUR grant NanoX No.~ANR-17-EURE-0009 in the framework of the \textit{``Programme des Investissements d'Avenir''.}
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\titou{The authors would like to thank Elisa Rebolini for insightful discussions.}
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%%%%%%%%%%%%%%%%%%%%%%%%
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\section*{Data availability}
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