Vortex Dynamics: Pinning Regimes and Forces Analysis

This lecture explores the dynamics of vortex matter in superconductors, focusing on the forces exerted on vortices, their repulsion, and the pinning effect of weak spots. It delves into simulated vortex dynamics in anisotropic superconductors with spherical inclusions, analyzing different pinning regimes and types. The critical current density and various critical currents are discussed, along with the types of pinning mechanisms. Pinning force analysis is presented, showcasing the relationship between pinning force and magnetic field. The lecture concludes with a detailed analysis of pinning force graphs for different superconducting materials at varying temperatures.