Guest/invited speaker. With Giovanni Baez Flores, Wuzhang Fang, Alexey A. Kovalev, Mark van Schilfgaarde, Paul H. Haney, Mark D. Stiles, Vivek P. Amin. Spin transport and spin-orbit torque in metallic heterostructures. WE-Heraeus Green Function Workshop 2023, WE-Heraeus Foundation and Psi-k. Athens, Greece. September 4-7, 2023.