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Report No.
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Spin pumping by nonreciprocal spin waves under local excitation

Iguchi, Ryo*; Ando, Kazuya*; Qiu, Z.*; An, Toshu*; Saito, Eiji; Sato, Tetsuya*

We measured spatial distribution of spin pumping by nonreciprocal magnetostatic surface waves (MSSWs) using inverse spin Hall effect (ISHE) in a YIG/Pt system under local excitation. The local intensity of spin pumping by MSSWs shows center displacement of $$pm$$ 1 mm from the center of a waveguide according to the reversal of a bias field, which is due to the nonreciprocal propagation of MSSWs over a macroscopic distance. The combination of spin pumping and ISHE enables electrical investigation of local spin dynamics in a magnetic insulator.

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Category:Physics, Applied

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