Introduction to Superconductivity

Introduction to Superconductivity

2nd Edition - July 17, 1978

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  • Editor: A.C. Rose-Innes
  • eBook ISBN: 9780323161923

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Description

Introduction to Superconductivity differs from the first edition chiefly in Chapter 11, which has been almost completely rewritten to give a more physically-based picture of the effects arising from the long-range coherence of the electron-waves in superconductors and the operation of quantum interference devices. In this revised second edition, some further modifications have been made to the text and an extra chapter dealing with ""high-temperature"" superconductors has been added. A vast amount of research has been carried out on these since their discovery in 1986 but the results, both theoretical and experimental, have often been contradictory, and seven years later there remains little understanding of their behavior. This book comprises 14 chapters, with the first focusing on zero resistance. Succeeding chapters then discuss perfect diamagnetism; electrodynamics; the critical magnetic field; thermodynamics of the transition; the intermediate state; and transport currents in superconductors. Other chapters cover the superconducting properties of small specimens; the microscopic theory of superconductivity; tunneling and the energy gap; coherence of the electron-pair wave; the mixed state; critical currents of type-II superconductors; and high-temperature superconductors. This book will be of interest to practitioners in the fields of superconductivity and solid-state physics.

Table of Contents


  • Preface to the Second Edition

    Preface to the First Edition

    Symbols

    Introduction

    Part I. Type-I Superconductor

    Chapter 1. Zero Resistance

    1.1 Superconducting Transition Temperature

    1.2 Zero Resistance

    1.3 The Resistanceless Circuit

    1.4 A.C. Resistivity

    Chapter 2. Perfect Diamagnetism

    2.1 Magnetic Properties of a Perfect Conductor

    2.2 Special Magnetic Behaviour of a Superconductor

    2.3 Surface Currents

    2.4 Penetration Depth

    Chapter 3. Electrodynamics

    3.1 Consequence of Zero Resistance

    3.2 The London Theory

    Chapter 4. The Critical Magnetic Field

    4.1 Free Energy of a Superconductor

    4.2 Variation of Critical Field with Temperature

    4.3 Magnetization of Superconductors

    4.4 Measurement of Magnetic Properties

    Chapter 5. Thermodynamics of the Transition

    5.1 Entropy of the Superconducting State

    5.2 Specific Heat and Latent Heat

    5.3 Mechanical Effects

    5.4 Thermal Conductivity

    5.5 Thermoelectric Effects

    Chapter 6. The Intermediate State

    6.1 The Demagnetizing Factor

    6.2 Magnetic Transitions for n/=0

    6.3 The Boundary between a Superconducting and a Normal Region

    6.4 Magnetic Properties of the Intermediate State

    6.5 The Gibbs Free Energy in the Intermediate State

    6.6 The Experimental Observation of the Intermediate State

    6.7 The Absolute Size of the Domains: The Role of Surface Energy

    6.8 Restoration of Resistance to a Wire in a Transverse Magnetic Field

    6.9 The Concept of Coherence and the Origin of the Surface Energy

    Chapter 7. Transport Currents in Superconductors

    7.1 Critical Currents

    7.2 Thermal Propagation

    7.3 Intermediate State Induced by a Current

    Chapter 8. The Superconducting Properties of Small Specimens

    8.1 The Effect of Penetration on the Critical Magnetic Field

    8.2 The Critical Field of a Parallel-sided Plate

    8.3 More Complicated Geometries

    8.4 Limitations of the London Theory

    8.5 The Ginzburg-Landau Theory

    8.6 Edge Effects

    8.7 Transitions in Perpendicular Magnetic Fields

    8.8 Critical Currents of Thin Specimens

    8.9 Measurements of Critical Currents

    Chapter 9. The Microscopic Theory of Superconductivity

    9.1 Summary of the Properties of the Superconducting State

    9.2 The Concept of an Energy Gap

    9.3 The Bardeen-Cooper-Schrieffer Theory

    Chapter 10. Tunneling and the Energy

    10.1 The Tunneling Process

    10.2 The Energy Level Diagram for a Superconductor

    10.3 Tunneling between a Normal Metal and a Superconductor

    10.4 Tunneling Between Two Identical Superconductors

    10.5 The Semiconductor Representation

    10.6 Other Types of Tunneling

    10.7 Practical Details

    Chapter 11. Coherence of the Electron-Pair Wave; Quantum Interference

    11.1 Electron-pair Waves

    11.2 The Fluxoid

    11.3 Weak links

    11.4 Superconducting Quantum Interference Device (SQUID)

    Part II. Type-II Superconductivity

    Chapter 12. The Mixed State

    12.1 Negative Surface Energy

    12.2 The Mixed State

    12.3 Ginzburg-Landau Constant of Metals and Alloys

    12.4 Lower and Upper Critical Fields

    12.5 Magnetization of Type-II Superconductors

    12.6 Specific Heat of Type-I I Superconductors

    Chapter 13. Critical Currents of Type-II Superconductors

    13.1 Critical Currents

    13.2 Flow Resistance

    13.3 Flux Flow

    13.4 Surface Superconductivity

    Chapter 14. High-Temperature Superconductors

    Appendix A. The Significance of the Magnetic Flux Density B and the Magnetic Field Strength H

    A.l Definition of B

    A.2 The Effect of Magnetic Material

    A.3 The Magnetic Field Strength

    A.4 The Case of a Superconductor

    A.5 Demagnetizing Effects

    Appendix B. Free Energy of a Magnetic Body

    Index

Product details

  • No. of pages: 288
  • Language: English
  • Copyright: © Pergamon 1978
  • Published: July 17, 1978
  • Imprint: Pergamon
  • eBook ISBN: 9780323161923

About the Editor

A.C. Rose-Innes

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