@article {Mazzucchi2013,
	title = {Semimetal-superfluid quantum phase transitions in 2D and 3D lattices with Dirac points},
	journal = {Journal of Physics B-atomic Molecular and Optical Physics},
	volume = {46},
	number = {13},
	year = {2013},
	month = {jul},
	pages = {134014},
	doi = {10.1088/0953-4075/46/13/134014},
	author = {Mazzucchi, G. and Lepori, L. and Trombettoni, A.}
}
