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physics.chem-ph2026
Reduced scaling implementation of the coupled cluster-based static embedding method, MPCC with density fitting
Avijit Shee, Fabian M. Faulstich, K. Birgitta Whaley +2
An improved algorithm to implement our previously proposed static quantum embedding method MPCC (J. Chem. Phys. 161, 164107 (2024)) is presented. It uses the density-fitting (DF) a…
physics.chem-ph2026
Consistent inclusion of triple substitutions within a coupled cluster based static quantum embedding theory
Avijit Shee, Fabian M. Faulstich, K. Birgitta Whaley +2
We incorporate a solver for the fragment problem with accuracy beyond coupled cluster singles and doubles (CCSD) into the previously proposed static embedding framework, MPCC. To t…