Theory and application of explicitly correlated Gaussians

J Mitroy, S Bubin, W Horiuchi, Y Suzuki… - Reviews of modern …, 2013 - APS
The variational method complemented with the use of explicitly correlated Gaussian basis
functions is one of the most powerful approaches currently used for calculating the …

Born–Oppenheimer and non-Born–Oppenheimer, atomic and molecular calculations with explicitly correlated Gaussians

S Bubin, M Pavanello, WC Tung, KL Sharkey… - Chemical …, 2013 - ACS Publications
Since the early work of Hylleraas on the helium atom, 1 it has been common knowledge that,
to accurately account for the interaction between the electrons in an atom or a molecule …

Acetone adsorption to (BeO) 12,(MgO) 12 and (ZnO) 12 nanoparticles and their graphene composites: A density functional theory (DFT) study

Y Mo, H Li, K Zhou, X Ma, Y Guo, S Wang, L Li - Applied Surface Science, 2019 - Elsevier
Acetone, one of the most common VOCs, could cause serious air pollution and threat the
human health when someone is exposed to certain concentration of acetone. Thereof …

Testing quantum electrodynamics in the lowest singlet states of the beryllium atom

M Puchalski, J Komasa, K Pachucki - Physical Review A—Atomic, Molecular …, 2013 - APS
High-precision results are reported for the energy levels of the 2 1 S and 2 1 P states of the
beryllium atom. Calculations are performed using fully correlated Gaussian basis sets and …

Explicitly correlated wave function for a boron atom

M Puchalski, J Komasa, K Pachucki - Physical Review A, 2015 - APS
We present results of high-precision calculations for a boron atom's properties using wave
functions expanded in the explicitly correlated Gaussian basis. We demonstrate that the well …

Five lowest states of the Be atom calculated with a finite-nuclear-mass approach and with relativistic and QED corrections

M Stanke, J Komasa, S Bubin, L Adamowicz - Physical Review A—Atomic …, 2009 - APS
We have performed very accurate quantum mechanical calculations of the five lowest S
states of the beryllium atom. In the nonrelativistic part of the calculations we used the …

Rydberg spectrum of the boron atom

I Hornyák, S Nasiri, S Bubin, L Adamowicz - Physical Review A, 2021 - APS
Benchmark variational calculations of the lowest ten Rydberg S 2 states of two stable
isotopes of the boron atom (B 10 and B 11) are reported. The nonrelativistic wave functions …

Isotope shift in a beryllium atom

M Puchalski, K Pachucki, J Komasa - Physical Review A, 2014 - APS
We calculate the isotope shift of 2 1 P 0− 2 1 S 0, 3 1 S 0− 2 1 S 0 transitions and of the 2 1 S
0 ionization potential in the four-electron beryllium atom. The achieved precision is high …

Compact wave functions for the beryllium isoelectronic series, Li− to Ne6+: A standard Hylleraas approach

FW King, D Quicker, J Langer - The Journal of chemical physics, 2011 - pubs.aip.org
Variational calculations have been carried out for the ground states of several members of
the beryllium isoelectronic series using a standard Hylleraas approach involving Slater-type …

Orbit-orbit relativistic corrections to the pure vibrational non-Born-Oppenheimer energies of H2

M Stanke, D Kȩdziera, S Bubin, M Molski… - The Journal of …, 2008 - pubs.aip.org
We report the derivation of the orbit-orbit relativistic correction for calculating pure vibrational
states of diatomic molecular systems with σ electrons within the framework that does not …