Two-dimensional quantum compass model in a staggered field: some rigorous results

何培松, 尤文龙, 田光善

He Pei-Song(何培松), You Wen-Long(尤文龙), and Tian Guang-Shan(田光善)

中国物理B . 2011, (1): 17503 -017503 . DOI: 10.1088/1674-1056/20/1/017503