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arXiv 1104.3601cond-mat.str-elhep-th
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拓扑自旋密度波

Topological Spin Density Wave

Jing He, Yan-Hua Zong, Su-Peng Kou, Ying Liang, Shiping Feng

摘要:

本文研究了蜂窝格点上的拓扑哈伯德模型。通过考虑磁态的拓扑性质,我们研究了新的量子态--A型和B型拓扑自旋密度波(A-TSDW和B-TSDW)。低能物理完全取决于不同K矩阵的Chern-Simons-Hopf规范场理论。在拓扑场论的公式中,我们发现A-TSDW存在自旋-电荷分离的电荷通量束缚效应,B-TSDW存在自旋-电荷同步的电荷通量束缚效应。此外,我们还研究了不同结构的TSDW的边缘态和量子化霍尔效应。

英文摘要:

In this paper, we investigate the topological Hubbard model on honeycomb lattice. By considering the topological properties of the magnetic state, new types of quantum states - A-type and B-type topological spin-density-waves (A-TSDW and B-TSDW) are explored. The low energy physics is solely determined by its Chern-Simons-Hopf gauge field theories with different K-matrices. In the formulism of topological field theory, we found spin-charge separated charge-flux binding effect for A-TSDW and spin-charge synchronized charge-flux binding effect for B-TSDW. In addition, we studied the edge states and quantized Hall effect in different TSDWs.

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。

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