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Two-dimensional clusters of liquid 4-He

A. Sarsa·J. Mur-Petit·A. Polls·J. Navarro
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Abstract

The binding energies of two-dimensional clusters (puddles) of $^4$He are calculated in the framework of the diffusion Monte Carlo method. The results are very well fitted by a mass formula in powers of $x=N^{-1/2}$, where $N$ is the number of particles. The analysis of the mass formula allows for the extraction of the line tension, which turns out to be 0.121 K/A. Sizes and density profiles of the puddles are also reported.

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A. Sarsa, J. Mur-Petit, A. Polls, J. Navarro. 2004-02-26. Two-dimensional clusters of liquid 4-He. https://doi.org/10.1103/physrevb.68.224514

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