Investigating the static dipole polarisability of noble gas atoms confined in impenetrable spheres and shells

TL;DR

This study explores how the static dipole polarisability of noble gas atoms changes when confined within impenetrable spheres and shells, revealing volume-dependent variations using advanced computational methods.

Contribution

It provides new insights into the effects of confinement geometry on noble gas atoms' dipole polarisability using the B-spline RPAE method.

Findings

Polarisability decreases with smaller sphere volume.

Polarisability increases with larger shell inner radius.

Confinement geometry significantly influences atomic properties.

Abstract

The static dipole polarisability of noble gas atoms confined by impenetrable spheres and spherical shells is studied using the B-spline random phase with exchange approximation. The general trend in dipole polarisabilities across the noble gas sequence shows a decrease in the dipole polarisability as the volume of the confining impenetrable sphere is reduced and a large increase in the dipole polarisability for confinement by impenetrable spherical shells as the inner shell radius is increased.