Erratum: “Perturbative corrections to coupled-cluster and equation-of-motion coupled-cluster energies: A determinantal analysis” [J. Chem. Phys. 114, 3919 (2001)]

2001 ◽  
Vol 115 (8) ◽  
pp. 3967-3968 ◽  
Author(s):  
So Hirata ◽  
Marcel Nooijen ◽  
Ireneusz Grabowski ◽  
Rodney J. Bartlett
Keyword(s):  
Equation Of Motion ◽  
Chem Phys ◽  
Coupled Cluster ◽  
Perturbative Corrections

scholarly journals Correction: How to stay out of trouble in RIXS calculations within equation-of-motion coupled-cluster damped response theory? Safe hitchhiking in the excitation manifold by means of core–valence separation

2020 ◽  
Vol 22 (31) ◽  
pp. 17749-17749 ◽  
Author(s):  
Kaushik D. Nanda ◽  
Marta L. Vidal ◽  
Rasmus Faber ◽  
Sonia Coriani ◽  
Anna I. Krylov
Keyword(s):  
Equation Of Motion ◽  
Chem Phys ◽  
Coupled Cluster ◽  
Response Theory ◽  
Phys Chem Chem Phys

Correction for ‘How to stay out of trouble in RIXS calculations within equation-of-motion coupled-cluster damped response theory? Safe hitchhiking in the excitation manifold by means of core–valence separation’ by Kaushik D. Nanda et al., Phys. Chem. Chem. Phys., 2020, 22, 2629–2641, DOI: 10.1039/c9cp03688a.

Perturbative corrections to coupled-cluster and equation-of-motion coupled-cluster energies: A determinantal analysis

2001 ◽  
Vol 114 (9) ◽  
pp. 3919-3928 ◽  
Author(s):  
So Hirata ◽  
Marcel Nooijen ◽  
Ireneusz Grabowski ◽  
Rodney J. Bartlett
Keyword(s):  
Equation Of Motion ◽  
Coupled Cluster ◽  
Perturbative Corrections

A Multi-Layer Approach to the Equation of Motion Coupled-Cluster Method for the Electron Affinity

2020 ◽  
Author(s):  
Soumi Haldar ◽  
Achintya Kumar Dutta
Keyword(s):  
Electron Affinity ◽  
Electron Attachment ◽  
Equation Of Motion ◽  
Cluster Method ◽  
Coupled Cluster ◽  
Coupled Cluster Method ◽  
Large Molecules ◽  
Layer Method ◽  
Speed Up ◽  
Attachment Process

We have presented a multi-layer implementation of the equation of motion coupled-cluster method for the electron affinity, based on local and pair natural orbitals. The method gives consistent accuracy for both localized and delocalized anionic states. It results in many fold speedup in computational timing as compared to the canonical and DLPNO based implementation of the EA-EOM-CCSD method. We have also developed an explicit fragment-based approach which can lead to even higher speed-up with little loss in accuracy. The multi-layer method can be used to treat the environmental effect of both bonded and non-bonded nature on the electron attachment process in large molecules.<br>

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