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1 - Introduction to Superconductivity

Published online by Cambridge University Press:  17 June 2022

Tao Xiang  and
Congjun Wu
Tao Xiang
Affiliation:
Chinese Academy of Sciences, Beijing
Congjun Wu
Affiliation:
Westlake University, Hangzhou
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Summary

Starting from a brief introduction to the Meissner effect and other defining properties of superconductivity, Chapter 1 recapitulates the phenomenological theories, including the two-fluid model and the Ginzburg-Landau theory, and the groundbreaking microscopic theory of Bardeen-Cooper-Schrieffer for describing this macroscopic quantum phenomenon. The Cooper pairing and other basic concepts of superconductivity, such as the gap function, off-diagonal long-range order, quasiparticle excitations, coherence length, penetration depth, type-I and type-II superconductors, and phase fluctuations are also introduced, followed by a summary on the classification and experimental identification for the pairing symmetry of high-Tc superconductors.

Keywords

superconductivityCooper pairBCS theoryGinzburg-Landau theoryBdG equationoff-diagonal long-range ordertwo types of superconductors
Type
Chapter
Information
D-wave Superconductivity , pp. 1 - 44
Publisher: Cambridge University Press
Print publication year: 2022

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