@article{PhysRevA.89.043626,
numpages = {8},
publisher = {American Physical Society},
doi = {10.1103/PhysRevA.89.043626},
title = {Reexamination of the variational Bose-Hubbard model},
url = {http://link.aps.org/doi/10.1103/PhysRevA.89.043626},
journal = {Phys. Rev. A},
author = {Major, Jan and \L{}\k{a}cki, Mateusz and Zakrzewski, Jakub},
month = {Apr},
volume = {89},
year = {2014},
issue = {4},
pages = {043626},
arxiv = {http://arxiv.org/abs/1311.7510},
eprint = {1311.7510}
}