Superdiffusive Spin Transport as a Mechanism of Ultrafast Demagnetization
Superdiffusive Spin Transport as a Mechanism of Ultrafast Demagnetization
We propose a semiclassical model for femtosecond laser-induced demagnetization due to spin-polarized excited electron diffusion in the superdiffusive regime. Our approach treats the finite elapsed time and transport in space between multiple electronic collisions exactly, as well as the presence of several metal films in the sample. Solving the derived …