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The Open University

Superconductivity

The Open University via OpenLearn

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Overview

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This course examines the physical properties of superconductors and models them using the two-fluid model and London equations. It covers zero electrical resistance, magnetic behavior, critical limits, penetration depth, screening currents, and the distinction between Type-I and Type-II superconductors.

Syllabus

  • Introduction
  • Learning outcomes
  • 1 Superconductivity
  • 1 Superconductivity
  • 2 Properties of superconductors
  • 2 Properties of superconductors
  • 2.1 Zero electrical resistance
  • 2.2 Persistent currents lead to constant magnetic flux
  • 2.3 The Meissner effect
  • 2.3.1 Perfect diamagnetism
  • 2.4 Critical magnetic field
  • 2.5 Critical current
  • 3 Modelling properties of superconductors
  • 3 Modelling properties of superconductors
  • 3.1 A two-fluid model
  • 3.2 Magnetic field in a perfect conductor
  • 3.3 The London equations
  • 3.4 Penetration depth
  • 3.5 The screening current
  • 4 Two types of superconductor
  • 4 Two types of superconductor
  • Preamble
  • 4.2 Type-I superconductors
  • 4.3 Type-II superconductors
  • Conclusion
  • Acknowledgements

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