@article { 3244,
	title = {Violation of the area law and long range correlations in infinite matrix product states},
	volume = {83},
	year = {2011},
	pages = {053807},
	publisher = {Physical Review A},
	address = {Phys. Rev. A 83, 053807 (2011)},
	URL = {http://arxiv.org/abs/1103.2205},
	author = {Anne E. B. Nielsen, German Sierra, J. Ignacio Cirac}
}