Density functional study of two-dimensional He-4 clusters

Details Density functional study of two-dimensional He-4 clusters Density functional study of two-dimensional He-4 clusters

2006-01-24

arxiv.org/abs/cond-mat/0601536v1

Physical Review B 72, 104513 (2005)

Physics

Condensed Matter

Other Condensed Matter

RevTeX4, 11 pages + 2 tables + 6 figures

Scientific paper

10.1103/PhysRevB.72.104513

Binding energies and density profiles of two-dimensional systems of liquid He-4 with different geometries are studied by means of a zero-range density functional adjusted to reproduce the line tension obtained in a previous diffusion Monte Carlo calculation (lambda_{DMC}=0.121 K/A). It is shown that this density functional provides accurate results for the binding energy of large clusters with a reasonable computational effort.

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