TY - RPRT TI - Ground-state approximation for strongly interacting spin systems in arbitrary spatial dimension. AU - S Anders AU - M B Plenio AU - W Dür AU - F Verstraete AU - H-J Briegel PY - 2006 DO - 10.1103/physrevlett.97.107206 UR - https://pubmed.ncbi.nlm.nih.gov/17025851/ ID - 17025851 ER -