Density of states of helium droplets
Klavs Hansen, Michael D. Johnson, Vitaly V. Kresin
TL;DR
This paper derives analytical formulas for the state densities of liquid helium-4 droplets, including ripplon and phonon effects, and evaluates related thermodynamic properties.
Contribution
It introduces a systematic method to derive analytical expressions for helium droplet state densities considering multiple degrees of freedom.
Findings
Derived accurate analytical expressions for helium droplet state densities.
Evaluated microcanonical temperature and ripplon angular momentum level density.
Provided a systematic approach based on thermodynamic property expansions.
Abstract
Accurate analytical expressions for the state densities of liquid He-4 droplets are derived, incorporating the ripplon and phonon degrees of freedom. The microcanonical temperature and the ripplon angular momentum level density are also evaluated. The approach is based on inversions and systematic expansions of canonical thermodynamic properties.
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