@article {Giuliano2013,
	title = {XXZ spin-1/2 representation of a finite-U Bose-Hubbard chain at half-integer filling},
	journal = {Physical Review B},
	volume = {87},
	number = {3},
	year = {2013},
	month = {jan},
	pages = {035104},
	doi = {10.1103/PhysRevB.87.035104},
	author = {Giuliano, Domenico and Rossini, Davide and Sodano, Pasquale and Trombettoni, Andrea}
}
