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Nucleation in supersaturated solutions 3He in 4He at negative pressure.

By Montserrat Guilleumas, Martí Pi Pericay, Manuel Barranco Gómez, Dora M. Jezek and Jesús Navarro Faus

Abstract

Depending on the 3He concentration, thermal nucleation in 3-4He supersaturated liquid mixtures at negative pressures may be originated either by bubble or by 3rich drop formation. We have investigated this phenomenon within a density-functional approach, determining the regions in the pressure¿3He-concentration plane where bubbles or drops likely drive the nucleation process. As an illustrative example, we also give the homogeneous nucleation pressure corresponding to 50 and 100 mK temperature

Topics: Nucleació, Heli líquid, Teoria del funcional de densitat, Nucleation, Liquid helium, Density functional theory
Publisher: The American Physical Society
OAI identifier: oai:recercat.cat:2072/50248
Provided by: RECERCAT
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