A new generation of cool white dwarf atmosphere models. I. theoretical framework and applications to DZ stars

S Blouin, P Dufour, NF Allard - The Astrophysical Journal, 2018 - iopscience.iop.org
The photospheres of the coolest helium-atmosphere white dwarfs are characterized by
fluidlike densities. Under those conditions, standard approximations used in model …

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 …

Coupled cluster calculations of the ground state potential and interaction induced electric properties of the mixed dimers of helium, neon and argon

J López Cacheiro, B Fernández, D Marchesan… - Molecular …, 2004 - Taylor & Francis
Using augmented polarized correlation consistent basis sets extended with midbond
functions, we evaluate the ground state interaction potential and the induced electric dipole …

Calculation of linear and non-linear electric response properties of systems in aqueous solution: A polarizable quantum/classical approach with quantum repulsion …

G Marrazzini, T Giovannini, F Egidi… - Journal of Chemical …, 2020 - ACS Publications
We present a computational study of polarizabilities and hyperpolarizabilities of organic
molecules in aqueous solutions, focusing on solute–water interactions and the way they …

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 …

The effect of intermolecular interactions on the electric properties of helium and argon. I. Ab initio calculation of the interaction induced polarizability and hyperpolarizability in …

C Hättig, H Larsen, J Olsen, P Jo/rgensen… - The Journal of …, 1999 - pubs.aip.org
The frequency-dependent interaction induced polarizabilities and second
hyperpolarizabilities are calculated for He 2 at the coupled cluster singles and doubles and …

The effect of intermolecular interactions on the electric properties of helium and argon. II. The dielectric, refractivity, Kerr, and hyperpolarizability second virial …

H Koch, C Hättig, H Larsen, J Olsen… - The Journal of …, 1999 - pubs.aip.org
The dielectric, refractivity, Kerr, and hyperpolarizability second virial coefficients for the
helium and argon gases are evaluated for a wide range of temperatures using a …

Ab initio calculation of the refractivity and hyperpolarizability second virial coefficients of neon gas

C Hättig, JL Cacheiro, B Fernández, A Rizzo - Molecular Physics, 2003 - Taylor & Francis
Second virial coefficients for the density dependence of a number of electric properties are
calculated for neon gas. Employing an accurate CCSD (T) potential for the Ne2 van der …

High‐level ab initio methods for calculation of potential energy surfaces of van der Waals complexes

TJ Giese, DM York - International journal of quantum chemistry, 2004 - Wiley Online Library
A systematic series of highly correlated calculations of van der Waals potential energy
surfaces (PESs) with large basis sets is presented. Reference data at the coupled-cluster …