Our paper on Science Advances shows the Andreev bound state in Superconductor|Ferromagnet|Superconductor layers, if existing, can tune the efficiency of spin pumping

Paper by Yunyan Yao, Ranran Cai, Tao Yu, Yang Ma, Wenyu Xing, Yuan Ji, Xin-Cheng Xie, See-Hun Yang, and Wei Han: https://www.science.org/doi/full/10.1126/sciadv.abh3686

There is also debate on the physical origin, so more investigation is wanting.

Bowen Zeng
Bowen Zeng

My research interests include non-Hermitian topology, phonon transport, and quantum optics.