TY - RPRT TI - Coarse-grained loop algorithms for Monte Carlo simulation of quantum spin systems. AU - Kenji Harada AU - Naoki Kawashima PY - 2002 DO - 10.1103/physreve.66.056705 UR - https://pubmed.ncbi.nlm.nih.gov/12513635/ ID - 12513635 ER -