Flux Pinning in Superconductors

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The book delves into the mechanisms and properties of flux pinning in various superconductors, including metallic, high-Tc, and MgB2 types. It introduces key interactions such as condensation energy from precipitates and kinetic energy from artificial pins. Detailed discussions on summation theories for critical current density are provided, alongside an exploration of irreversible magnetization and AC loss related to flux pinning. The text highlights how these losses arise from ohmic dissipation of normal electrons influenced by electric fields from flux motion.