Recent advances in wave function-based methods of molecular-property calculations

T Helgaker, S Coriani, P Jørgensen… - Chemical …, 2012 - ACS Publications
Our understanding of the electronic structure of molecules often comes from spectroscopic
investigations in which electromagnetic radiation is applied to a molecule and the scattering …

[HTML][HTML] Ab initio calculation of fluid properties for precision metrology

G Garberoglio, C Gaiser, RM Gavioso… - Journal of Physical …, 2023 - pubs.aip.org
Recent advances regarding the interplay between ab initio calculations and metrology are
reviewed, with particular emphasis on gas-based techniques used for temperature and …

Ab initio pair potential energy curve for the argon atom pair and thermophysical properties for the dilute argon gas. II. Thermophysical properties for low-density argon

E Vogel, B Jäger, R Hellmann, E Bich - Molecular Physics, 2010 - Taylor & Francis
A recent argon–argon interatomic potential energy curve determined from quantum-
mechanical ab initio calculations and described with an analytical representation [B. Jäger …

Theoretical determination of the polarizability dispersion and the refractive index of helium

M Puchalski, K Piszczatowski, J Komasa, B Jeziorski… - Physical Review A, 2016 - APS
The refractive index n of gaseous helium can be measured by optical interferometry so
accurately that it can be used to establish a pressure standard which is expected to be …

Rayleigh scattering in rare-gas liquids

GM Seidel, RE Lanou, W Yao - … and Methods in Physics Research Section …, 2002 - Elsevier
The Rayleigh scattering length has been calculated for rare-gas liquids in the ultraviolet for
the frequencies at which they luminesce. The calculations are based on the measured …

Using helium as a standard of refractive index: correcting errors in a gas refractometer

JA Stone, A Stejskal - Metrologia, 2004 - iopscience.iop.org
The refractive index of helium at atmospheric pressure can be determined from ab initio
calculations in combination with careful pressure and temperature measurements …

Computational Aspects of Interaction Hyperpolarizability Calculations. A Study on H2···H2, Ne···HF, Ne···FH, He···He, Ne···Ne, Ar···Ar, and Kr···Kr

G Maroulis - The Journal of Physical Chemistry A, 2000 - ACS Publications
We report an extensive investigation of the interaction hyperpolarizability of a number of
model systems: the hydrogen molecule dimer, the interaction of hydrogen fluoride with a …

Path-integral calculation of the second dielectric and refractivity virial coefficients of helium, neon, and argon

G Garberoglio, AH Harvey - Journal of Research of the National Institute …, 2020 - cris.fbk.eu
We present a method to calculate dielectric and refractivity virial coefficients using the path-
integral Monte Carlo formulation of quantum statistical mechanics and validate it by …

Equation of state and optical properties of warm dense helium

PM Kowalski, S Mazevet, D Saumon… - Physical Review B …, 2007 - APS
We investigate the physical properties of warm dense helium under the conditions found in
the atmospheres of cool white dwarfs using both a chemical model and ab initio simulations …

The effect of intermolecular interactions on the electric properties of helium and argon. III. Quantum statistical calculations of the dielectric second virial coefficients

A Rizzo, C Hättig, B Fernández, H Koch - The Journal of chemical …, 2002 - pubs.aip.org
The second dielectric virial coefficients of helium and argon are investigated using a fully
quantum statistical approach and recent accurate ab initio results for the interatomic …