2025/02/11 by Mouad Fattouhi, Fattouhi, Mouad, Pascal Thibaudeau +3 · 1 citation
Physics and Astronomy · Materials Science · #Magnetic properties of thin films #Physics of Superconductivity and Magnetism #Magnetic Properties of Alloys
paper · pdf · doi:10.48550/arxiv.2502.07375
A robust and efficient model for investigating the ultrafast dynamics of magnetic materials excited by laser pulses has been created, integrating dynamic Landau-Lifshitz-Bloch equations with a quantum thermostat and a two-temperature model. The model has been successfully applied to three archetypal materials in the literature: nickel, cobalt, and iron. Additionally, analysis of the ultrafast dynamic susceptibility tensor indicates that off-diagonal components display specific features depending on whether a continuous external magnetic field is present.