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arXiv 0710.4587cond-mat.mes-hall
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量子相干中的自旋轨道诱导干涉

Spin-orbit induced interference in quantum corrals

Jamie D. Walls, Eric J. Heller

摘要:

在金属表面缺乏反转对称性可以导致可观察到的自旋轨道相互作用。对于某些金属表面,例如Au(111)表面,实验观察到的自旋-轨道耦合导致数十纳米量级的自旋旋转长度,这是与在金属表面上形成的量子围栏结构相关的典型长度尺度。本文利用多重散射理论计算了自旋轨道耦合作用下由双原子组成的量子围栏结构的局域态密度。与以前的理论预测相反,在理论LDOS中观察到自旋轨道耦合诱导的调制,这应该是使用扫描隧道显微镜观察到的。

英文摘要:

Lack of inversion symmetry at a metallic surface can lead to an observable spin-orbit interaction. For certain metal surfaces, such as the Au(111) surface, the experimentally observed spin-orbit coupling results in spin rotation lengths on the order of tens of nanometers, which is the typical length scale associated with quantum corral structures formed on metal surfaces. In this work, multiple scattering theory is used to calculate the local density of states (LDOS) of quantum corral structures comprised of nonmagnetic adatoms in the presence of spin-orbit coupling. Contrary to previous theoretical predictions, spin-orbit coupling induced modulations are observed in the theoretical LDOS, which should be observable using scanning tunneling microscopy.

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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