@misc{indiciae1c7ed4b9bcf3, title = {Entanglement versus correlations in spin systems.}, author = {F Verstraete and M Popp and J I Cirac}, year = {2004}, doi = {10.1103/physrevlett.92.027901}, url = {https://pubmed.ncbi.nlm.nih.gov/14753968/}, note = {Source identifier: 14753968} }