Geometric phases and quantum phase transitions in inhomogeneous XY spin-chains: Effect of the Dzyaloshinski-Moriya interaction
王林成, 闫俊彦, 衣学喜
Geometric phases and quantum phase transitions in inhomogeneous XY spin-chains: Effect of the Dzyaloshinski-Moriya interaction
Wang Lin-Cheng(王林成) Yan Jun-Yan(闫俊彦), and Yi Xue-Xi(衣学喜)
中国物理B . 2010, (4): 40512 -040512 .  DOI: 10.1088/1674-1056/19/4/040512