霍夫施塔特能谱在远红外吸收中是否可观测？
凝聚态物理
2007-05-23 v1
摘要
我们在哈特里近似下自洽计算了周期性调制的二维电子气在垂直恒定磁场中的远红外吸收。对于消失的调制，磁等离激元色散显示出与回旋共振谐波的简单反交叉，正如预期。随着调制的增强，我们识别出由周期性势场每个晶胞中磁通量子数表征的带内和带间磁等离激元模式。
引用
@article{arxiv.cond-mat/9608045,
title = {Is the Hofstadter energy spectrum observable in far-infrared absorption?},
author = {Vidar Gudmundsson and Rolf R. Gerhardts},
journal= {arXiv preprint arXiv:cond-mat/9608045},
year = {2007}
}
备注
LaTeX, 4 pages with included ps-figures, contribution to the "12th Int. Conf. on the Appl. of High Magnetic fields in Semicond. Physics Wuerzburg 29.07-02.08 1996