Unitary coupled-cluster for quantum computation of molecular properties in a strong magnetic field

T Culpitt, EI Tellgren, F Pavošević - The Journal of Chemical Physics, 2023 - pubs.aip.org
In truncated coupled-cluster (CC) theories, non-variational and/or generally complex ground-
state energies can occur. This is due to the non-Hermitian nature of the similarity …

Insight on Gaussian basis set truncation errors in weak to intermediate magnetic fields with an approximate Hamiltonian

H Åström, S Lehtola - The Journal of Physical Chemistry A, 2023 - ACS Publications
Strong magnetic fields such as those found on white dwarfs have significant effects on the
electronic structures of atoms and molecules. However, the vast majority of molecular …

[HTML][HTML] Efficient approximate screening techniques for integrals over London atomic orbitals

S Blaschke, S Stopkowicz, A Pausch - The Journal of Chemical …, 2024 - pubs.aip.org
Efficient integral screening techniques are essential for the investigation of extended
molecular structures. This work presents a critical assessment of well-established …

Propagators for molecular dynamics in a magnetic field

LDM Peters, EI Tellgren, T Helgaker - Molecular Physics, 2024 - Taylor & Francis
Ab initio molecular dynamics in a magnetic field requires solving equations of motion with
velocity-dependent forces–namely, the Lorentz force arising from the nuclear charges …

Communication: Efficient Approximate Screening Techniques for Integrals over London Atomic Orbitals

S Blaschke, S Stopkowicz, A Pausch - 2024 - chemrxiv.org
Efficient integral screening techniques are essential for the investigation of extended
molecular structures. This work presents a critical assessment of well-established …