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政大典藏 > College of Science > Graduate Institute of Applied Physics > Periodical Articles > Item 140.119/63531

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/63531

Title:	Quantum Renormalization of the Spin Hall Effect
Authors:	郭光宇 Guo, Guang-Yu
Contributors:	應物所
Date:	2010.08
Issue Date:	2014-01-24 12:23:03 (UTC+8)
Abstract:	By quantum Monte Carlo simulation of a realistic multiorbital Anderson impurity model, we study the spin-orbit interaction (SOI) of an Fe impurity in Au host metal. We show, for the first time, that the SOI is strongly renormalized by the quantum spin fluctuation. Based on this mechanism, we can explain why the gigantic spin Hall effect in Au with Fe impurities was observed in recent experiments, while it is not visible in the anomalous Hall effect. In addition, we show that the SOI is strongly renormalized by the Coulomb correlation . Based on this picture, we can explain past discrepancies in the calculated orbital angular momenta for an Fe impurity in an Au host.
Relation:	Physical Review Letters, 105(8), 086401
Source URI:	http://link.aps.org/doi/10.1103/PhysRevLett.105.086401
Data Type:	article
DOI link:	http://dx.doi.org/10.1103/PhysRevLett.105.086401
DOI:	10.1103/PhysRevLett.105.086401
Appears in Collections:	[Graduate Institute of Applied Physics] Periodical Articles

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