@Article{Guardiola+Navarro2011,
author="Guardiola, R.
and Navarro, J.",
title="On the Lindemann Criterion for Quantum Clusters at Very Low Temperature",
journal="Journal of Physical Chemistry A",
year="2011",
publisher="Amer Chemical Soc",
volume="115",
number="25",
pages="6843--6850",
abstract="The Lindemann criterion to discern the solid-like or liquid-like nature of a quantum cluster at T = 0 is discussed. A critical analysis of current Lindemann parameters is presented and a new parameter is proposed that is appropriate to study quantum clusters made of identical particles. A simple model wave function is introduced to fix the range of variation of these parameters. The model presents two extreme limits that correspond to either a liquid-like or a solid-like system; besides, it fulfills the Bose symmetry and also permits evaluations without symmetrization. Variational and diffusion Monte Carlo calculations are also performed for clusters of spinless bosons interacting through Lennard-Jones potentials. It is shown that the liquid-like or solid-like character of quantum clusters at zero temperature cannot be simply established in terms of a single parameter.",
optnote="ISI:000291895500012",
optnote="exported from refbase (https://references.ific.uv.es/refbase/show.php?record=669), last updated on Tue, 02 Aug 2011 15:57:02 +0000",
issn="1089-5639",
doi="10.1021/jp1111313",
opturl="https://doi.org/10.1021/jp1111313",
language="English"
}