The ground-state entanglement in the spin- XX chain with a magnetization current
张勇, 王川, 金光生
The ground-state entanglement in the spin- XX chain with a magnetization current
Zhang Yong(张勇), Wang Chuan(王川), and Jin Guang-Sheng(金光生)
中国物理B . 2010, (11): 110308 -110313 .  DOI: 10.1088/1674-1056/19/11/110308