arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1503.01164cond-mat.quant-gas
收藏

利用自旋轨道耦合和磁织构调节Chern数和Berry曲率

Tuning the Chern number and Berry curvature with spin-orbit coupling and magnetic textures

Timothy M. McCormick, Nandini Trivedi

摘要:

在自旋轨道耦合的情况下,我们得到了在磁自旋织构中运动的粒子的能带结构,按其手征性和结构因子分类。这种丰富的相互作用导致了各种新颖的拓扑相位的特征在于贝里曲率和他们相关的陈数。我们建议的方法,实验探索这些拓扑相位的霍尔漂移测量的陈数和Berry相位干涉映射的Berry曲率。

英文摘要:

We obtain the band structure of a particle moving in a magnetic spin texture, classified by its chirality and structure factor, in the presence of spin-orbit coupling. This rich interplay leads to a variety of novel topological phases characterized by the Berry curvature and their associated Chern numbers. We suggest methods of experimentally exploring these topological phases by Hall drift measurements of the Chern number and Berry phase interferometry to map the Berry curvature.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑