Superconductor is a characteristic material thathas no electrical resistivity. This property can be realized in application by introducingdefects called pinning centers in superconductors: These prevent quantizedmagnetic flux lines being driven by the Lorentz force due to the current, resulting innon-resistive current.Various aspects of flux pinning phenomena including the longitudinalmagnetic field effect, which are described in this book, are briefly introducedin this chapter.

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Introduction

  • Teruo Matsushita

摘要

Superconductor is a characteristic material thathas no electrical resistivity. This property can be realized in application by introducingdefects called pinning centers in superconductors: These prevent quantizedmagnetic flux lines being driven by the Lorentz force due to the current, resulting innon-resistive current.Various aspects of flux pinning phenomena including the longitudinalmagnetic field effect, which are described in this book, are briefly introducedin this chapter.