Variational Calculations for $^3$He Impurities on $^4$He Droplets
A. Beli\'c, F. Dalfovo, S. Fantoni, and S. Stringari
TL;DR
This paper employs variational Monte Carlo methods to analyze the ground state properties of helium droplets and investigates the behavior of helium-3 impurities on these droplets, providing insights into their surface states.
Contribution
It introduces a variational Monte Carlo approach to calculate properties of helium droplets and applies these results to study helium-3 impurity surface states using Feynman-Lekner theory.
Findings
Particle and kinetic energy densities of helium droplets obtained.
Comparison of helium-3 surface state energies with previous models.
Abstract
Variational Monte Carlo method is used to calculate ground state properties of He droplets, containing 70, 112, 168, 240, 330, and 728 particles. The resulting particle and kinetic energy densities are used as an input in the Feynman-Lekner theory for He impurities. The kinetic energy density of He atoms and the energy of the He surface states are compared with the results of previous phenomenological calculations.
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Taxonomy
TopicsGas Dynamics and Kinetic Theory · Quantum, superfluid, helium dynamics · Spectroscopy and Laser Applications