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20172026
most citedHow accurate are EOM-CC4 vertical excitation energies?

31 citations · 31 across the 3 of their papers we have counts for

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9 papers · 1 filter

physics.chem-ph2026

Continuous Local Symmetry: Connection to Reactivity and Recognition

Duc Anh Lai, Devin A. Matthews

Symmetry is one of the most beautiful yet mysterious concepts in science. In chemical systems, presence of local symmetries at specific fragments often serve as driving forces behi…

physics.chem-ph2026

Tensor Hypercontraction Error Correction Using Regression

Ishna Satyarth, Eric C. Larson, Devin A. Matthews

Wavefunction-based quantum methods are some of the most accurate tools for predicting and analyzing the electronic structure of molecules, in particular for accounting for dynamica…

physics.chem-ph2025

On the Functional Dependence of Transition-Potential Coupled Cluster

Alexis A. A. Delgado, Devin A. Matthews

Orbital relaxation of the core region is a primary source of error in the computation of core ionization and core excitation energies. Recently, Transition-Potential Coupled Cluste…

physics.chem-ph2025

Exploiting a Shortcoming of Coupled-Cluster Theory: The Extent of non-Hermiticity as a Diagnostic Indicator of Computational Accuracy

Kaila E. Weflen, Megan R. Bentley, James H. Thorpe +4

The fundamental non-Hermitian nature of the forms of coupled-cluster (CC) theory widely used in quantum chemistry has usually been viewed as a negative, but the present letter show…

physics.chem-ph2024

Enhancing the Accuracy of XPS Calculations: Exploring Hybrid Basis Set Schemes for CVS-EOMIP-CCSD Calculations

Alexis A. A. Delgado, Devin A. Matthews

Reliable computational methodologies and basis sets for modeling x-ray spectra are essential for extracting and interpreting electronic and structural information from experimental…

physics.chem-ph2024

Beyond CCSD(T) accuracy at lower scaling with auxiliary field quantum Monte Carlo

Ankit Mahajan, James H. Thorpe, Jo S. Kurian +3

We introduce a black-box auxiliary field quantum Monte Carlo (AFQMC) approach to perform highly accurate electronic structure calculations using configuration interaction singles a…