在线阅读 --自然科学版 2000年2期《含时磁场下具有单轴各向异性交换作用双自旋系统的Berry相位》
含时磁场下具有单轴各向异性交换作用双自旋系统的Berry相位--[在线阅读]
杨林广1, 阎凤利1, 谭红革1, 张培良2
1. 河北师范大学物理系 河北 石家庄 050016;
2. 河北供销学校 河北 石家庄 050051
起止页码: 191--194页
DOI:
摘要
讨论了含时磁场下具有单轴各向异性交换作用双自旋系统的瞬时本征态及其绝热周期演化下的Berry相位,并由此分析了单轴各向异性交换作用对自旋系统Berry相位的影响

Berry Phase for the Two -Spin System with the Uniaxial Anisotropic Exchange Interaction in a Time-Dependent Magnetic Field
YANG Lin guang1, YAN Feng li1, TAN Hong ge1, ZHANG Pei liang2
1. Department of Physics, Hebei Normal University, Shijiazhuang 050016, China;
2. Hebei School of Supply and Sale, Shijiazhuang 050051, China
Abstract:
The instantaneous eigenstates and Berry phases for the two-spin system with the uniaxial exchange interaction in a time-dependent magnetic field are studied. The results show that uniaxial anisotropic exchange interaction has the effect to the Berry phase for the spin system.

收稿日期: 1999-12-15
基金项目: 河北省自然科学基金资助项目(196164)

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