Zero-temperature equation of state of two-dimensional 3He
统计力学
2009-11-07 v1
摘要
The equation of state of two-dimensional He at zero temperature has been calculated using the diffusion Monte Carlo method. By means of a combination of the fixed-node and released-node techniques it is shown that backflow correlations provide a very accurate equation of state. The results prove unambiguously the non-self-bound character of two-dimensional He due to its Fermi statistics. We present solid evidence that the gas phase, predicted for the two-dimensional system, can be extrapolated to the case of He adsorbed on a strong substrate like graphite.
引用
@article{arxiv.cond-mat/0206071,
title = {Zero-temperature equation of state of two-dimensional 3He},
author = {V. Grau and J. Boronat and J. Casulleras},
journal= {arXiv preprint arXiv:cond-mat/0206071},
year = {2009}
}
备注
4 pages, 4 eps figures, accepted for publication in PRL