[HTML][HTML] Recent developments in the PySCF program package

Q Sun, X Zhang, S Banerjee, P Bao, M Barbry… - The Journal of …, 2020 - pubs.aip.org
P y SCF is a Python-based general-purpose electronic structure platform that supports first-
principles simulations of molecules and solids as well as accelerates the development of …

Combining wave function methods with density functional theory for excited states

S Ghosh, P Verma, CJ Cramer, L Gagliardi… - Chemical …, 2018 - ACS Publications
We review state-of-the-art electronic structure methods based both on wave function theory
(WFT) and density functional theory (DFT). Strengths and limitations of both the wave …

Subsystem density‐functional theory (update)

CR Jacob, J Neugebauer - Wiley Interdisciplinary Reviews …, 2024 - Wiley Online Library
The past years since the publication of our review on subsystem density‐functional theory
(sDFT)(WIREs Comput Mol Sci. 2014, 4: 325–362) have witnessed a rapid development and …

Projection-based correlated wave function in density functional theory embedding for periodic systems

DV Chulhai, JD Goodpaster - Journal of chemical theory and …, 2018 - ACS Publications
We present a level shift projection operator-based embedding method for systems with
periodic boundary conditions—where the “active” subsystem can be described using either …

Projected atomic orbitals as optimal virtual space for excited state projection-based embedding calculations

ÁB Szirmai, B Hégely, A Tajti, M Kállay… - Journal of Chemical …, 2024 - ACS Publications
The projected atomic orbital (PAO) technique is presented for the construction of virtual
orbital spaces in projection-based embedding (PbE) applications. The proposed …

Absolutely localized projection-based embedding for excited states

X Wen, DS Graham, DV Chulhai… - Journal of Chemical …, 2019 - ACS Publications
We present a quantum embedding method that allows for calculation of local excited states
embedded in a Kohn–Sham density functional theory (DFT) environment. Projection-based …

Orbital transformations to reduce the 1-norm of the electronic structure Hamiltonian for quantum computing applications

E Koridon, S Yalouz, B Senjean, F Buda… - Physical Review …, 2021 - APS
Reducing the complexity of quantum algorithms to treat quantum chemistry problems is
essential to demonstrate an eventual quantum advantage of noisy-intermediate scale …

Multiscale frozen density embedding/molecular mechanics approach for simulating magnetic response properties of solvated systems

P Lafiosca, F Rossi, F Egidi, T Giovannini… - Journal of Chemical …, 2023 - ACS Publications
We present a three-layer hybrid quantum mechanical/quantum embedding/molecular
mechanics approach for calculating nuclear magnetic resonance (NMR) shieldings and J …

Generalization of intrinsic orbitals to Kramers-paired quaternion spinors, molecular fragments, and valence virtual spinors

B Senjean, S Sen, M Repisky, G Knizia… - Journal of chemical …, 2021 - ACS Publications
Localization of molecular orbitals finds its importance in the representation of chemical
bonding (and antibonding) and in the local correlation treatments beyond mean-field …

Multilevel density functional theory

G Marrazzini, T Giovannini, M Scavino… - Journal of chemical …, 2021 - ACS Publications
Following recent developments in multilevel embedding methods, we introduce a novel
density matrix-based multilevel approach within the framework of density functional theory …