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Spin Hall effect and anomalous Hall effect in transition metals

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If you have a question about this talk, please contact Dr G Moller .

We study the intrinsic spin Hall effect (SHE) and anomalous Hall effect (AHE) in transition metals. We argue that (1) the intrinsic mechanism can be understood as an orbital Aharonov-Bohm effect and (2) the origin of the SHE and AHE is the “orbital” Hall effect and, based on it, the magnitude and the sign of the SHE and AHE are semiquantitatively understood. The sign change of SHE with the increase of the atomic number predicted by the present theory has recently been confirmed experimentally, implying that the intrinsic mechanism indeed works in transition metals.

This talk is part of the TCM Informal Seminar Series series.

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Rooms SG1 & SG2, Alison Richard Building, 7 West Road, Cambridge, CB3 9DT Seminar time is 1pm BST in Room FW 11, Willam Gates Hall. Zoom link: https://cl-cam-ac-uk.zoom.us/j/4361570789?pwd=Nkl2T3ZLaTZwRm05bzRTOUUxY3Q4QT09&from=addon Biffen Lecture theatre tbc and Zoom

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