Phase diagram of soft-core bosons in two dimensions
Quantum Gases
2015-05-27 v1
Abstract
The low temperature phase diagram of Bose soft disks in two dimensions is studied by numerical simulations. It is shown that a supersolid cluster phase exists, within a range of the model parameters, analogous to that recently observed for a system of aligned dipoles interacting via a softened potential at short distance. These findings indicate that a long-range tail of the interaction is unneeded to obtain such a phase, and that the soft-core repulsive interaction is the minimal model for supersolidity.
Cite
@article{arxiv.1101.2600,
title = {Phase diagram of soft-core bosons in two dimensions},
author = {S. Saccani and S. Moroni and M. Boninsegni},
journal= {arXiv preprint arXiv:1101.2600},
year = {2015}
}