We present static and dynamical properties of linear vortices in He-4 droplets obtained from density functional calculations. By comparing the adsorption properties of different atomic impurities embedded in pure droplets and in droplets where a quantized vortex has been created, we suggest that Ca atoms should be the dopant of choice to detect vortices by means of spectroscopic experiments.
Probing vortices in He-4 nanodroplets
ANCILOTTO, FRANCESCO;
2003
Abstract
We present static and dynamical properties of linear vortices in He-4 droplets obtained from density functional calculations. By comparing the adsorption properties of different atomic impurities embedded in pure droplets and in droplets where a quantized vortex has been created, we suggest that Ca atoms should be the dopant of choice to detect vortices by means of spectroscopic experiments.
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