saving work: starting results
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%% This BibTeX bibliography file was created using BibDesk.
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%% This BibTeX bibliography file was created using BibDesk.
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%% http://bibdesk.sourceforge.net/
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%% http://bibdesk.sourceforge.net/
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%% Created for Pierre-Francois Loos at 2020-05-19 16:23:54 +0200
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%% Created for Pierre-Francois Loos at 2020-05-19 17:13:25 +0200
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%% Saved with string encoding Unicode (UTF-8)
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%% Saved with string encoding Unicode (UTF-8)
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51
BSEdyn.tex
51
BSEdyn.tex
@ -67,6 +67,8 @@
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\newcommand{\RPA}{\text{RPA}}
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\newcommand{\RPA}{\text{RPA}}
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\newcommand{\BSE}{\text{BSE}}
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\newcommand{\BSE}{\text{BSE}}
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\newcommand{\GW}{GW}
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\newcommand{\GW}{GW}
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\newcommand{\stat}{\text{stat}}
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\newcommand{\dyn}{\text{dyn}}
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% energies
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% energies
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\newcommand{\Enuc}{E^\text{nuc}}
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\newcommand{\Enuc}{E^\text{nuc}}
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@ -86,6 +88,7 @@
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\newcommand{\eevGW}[1]{\epsilon^\text{\evGW}_{#1}}
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\newcommand{\eevGW}[1]{\epsilon^\text{\evGW}_{#1}}
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\newcommand{\eGnWn}[2]{\epsilon^\text{\GnWn{#2}}_{#1}}
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\newcommand{\eGnWn}[2]{\epsilon^\text{\GnWn{#2}}_{#1}}
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\newcommand{\Om}[2]{\Omega_{#1}^{#2}}
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\newcommand{\Om}[2]{\Omega_{#1}^{#2}}
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\newcommand{\tOm}[2]{\Tilde{\Omega}_{#1}^{#2}}
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% Matrix elements
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% Matrix elements
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\newcommand{\A}[2]{A_{#1}^{#2}}
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\newcommand{\A}[2]{A_{#1}^{#2}}
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@ -171,6 +174,9 @@
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\newcommand{\EgOpt}{\Eg^\text{opt}}
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\newcommand{\EgOpt}{\Eg^\text{opt}}
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\newcommand{\EB}{E_B}
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\newcommand{\EB}{E_B}
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\newcommand{\pis}{\pi^*}
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\newcommand{\ra}{\rightarrow}
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\newcommand\vari{{\varepsilon}_i}
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\newcommand\vari{{\varepsilon}_i}
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\newcommand\vara{{\varepsilon}_a}
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\newcommand\vara{{\varepsilon}_a}
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\newcommand\varj{{\varepsilon}_j}
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\newcommand\varj{{\varepsilon}_j}
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@ -583,8 +589,9 @@ This correction can be renormalized by computing, at basically no extra cost, th
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\end{equation}
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\end{equation}
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which finally yields
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which finally yields
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\begin{equation}
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\begin{equation}
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\Om{m}{} \approx \Om{m}{(0)} + Z_{m} \Om{m}{(1)}.
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\Om{m}{\text{dyn}} = \Om{m}{\text{stat}} + \Delta\Om{m}{\text{dyn}} = \Om{m}{(0)} + Z_{m} \Om{m}{(1)}.
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\end{equation}
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\end{equation}
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with $\Om{m}{\text{stat}} \equiv \Om{m}{(0)}$ and $\Delta\Om{m}{\text{dyn}} = Z_{m} \Om{m}{(1)}$.
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This is our final expression.
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This is our final expression.
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%%% FIG 1 %%%
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%%% FIG 1 %%%
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@ -618,7 +625,7 @@ Further details about our implementation of {\GOWO} and {\evGW} can be found in
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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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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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Finally, the infinitesimal $\eta$ is set to $100$ meV for all calculations.
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For comparison purposes, we employ the theoretical best estimates and geometries of Ref.~\onlinecite{Loos_2018a} from which coupled cluster (CC) excitation energies, namely, CC2 \cite{Christiansen_1995}, CCSD, \cite{Purvis_1982} and CC3, \cite{Christiansen_1995b} are also extracted.
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For comparison purposes, we employ the theoretical best estimates and geometries of Refs.~\onlinecite{Loos_2018a,Loos_2019,Loos_2020b} from which coupled cluster (CC) excitation energies, namely, CC2 \cite{Christiansen_1995}, CCSD, \cite{Purvis_1982} and CC3, \cite{Christiansen_1995b} are also extracted.
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All the BSE calculations have been performed with our locally developed $GW$ software, \texttt{QuAcK}, \cite{QuAcK} freely available on \texttt{github}, where the present perturbative correction has been implemented.
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All the BSE calculations have been performed with our locally developed $GW$ software, \texttt{QuAcK}, \cite{QuAcK} freely available on \texttt{github}, where the present perturbative correction has been implemented.
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%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%
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@ -626,6 +633,46 @@ All the BSE calculations have been performed with our locally developed $GW$ sof
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\label{sec:resdis}
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\label{sec:resdis}
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%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%
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\begin{table*}
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\caption{
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BSE excitation energies for various molecules obtained with the aug-cc-pVTZ basis set.
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\label{tab:BigTab}
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}
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\begin{ruledtabular}
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\begin{tabular}{lccccccccccc}
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& & \mc{4}{c}{BSE@{\GOWO}@HF} & \mc{4}{c}{BSE@{\evGW}@HF} \\
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\cline{4-7} \cline{8-11}
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Mol. & State & $\Om{m}{\stat}$ & $\Om{m}{\dyn}$ & $\Delta\Om{m}{\dyn}$ & $Z_{m}$
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& $\Om{m}{\stat}$ & $\Om{m}{\dyn}$ & $\Delta\Om{m}{\dyn}$ & $Z_{m}$ & CC2 & CC3 \\
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\hline
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\ce{HCl} & $^1\Pi$(CT)\\
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\ce{H2O} & \\
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\ce{N2} & $^1\Pi_g(n \ra \pis)$ \\
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& $^1\Sigma_u^-(\pi \ra \pis)$ \\
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& $^1\Delta_u(\pi \ra \pis)$ \\
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& $^3\Sigma_u^+(\pi \ra \pis)$\\
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& $^3\Pi_g(n \ra \pis)$ \\
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& $^3\Delta_u(\pi \ra \pis)$ \\
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& $^3\Sigma_u^-(\pi \ra \pis)$ \\
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\ce{CO} & $^1\Pi(n \ra \pis)$ \\
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& $^1\Sigma^-(\pi \ra \pis)$ \\
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& $^1\Delta(\pi \ra \pis)$ \\
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& $^3\Pi(n \ra \pis)$ \\
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& $^3\Sigma^+(\pi \ra \pis)$\\
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& $^3\Delta(\pi \ra \pis)$ \\
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& $^3\Sigma_u^-(\pi \ra \pis)$ \\
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\ce{HNO} & \\
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\ce{CH2O} & \\
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\ce{C2H4} & $^1B_{3u}(\pi \ra 3s)$ \\
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& $^1B_{1u}(\pi \ra \pis)$ \\
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& $^1B_{1g}(\pi \ra 3p)$ \\
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& $^3B_{1u}(\pi \ra \pis)$ \\
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& $^3B_{3u}(\pi \ra 3s)$ \\
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& $^3B_{1g}(\pi \ra 3p)$ \\
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\end{tabular}
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\end{ruledtabular}
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\end{table*}
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%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%
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\section{Conclusion}
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\section{Conclusion}
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\label{sec:conclusion}
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\label{sec:conclusion}
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