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7 - Single Impurity Scattering

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

Chapter 7 studies the single-impurity scattering effect on the density of states and other physical quantities. A low-energy resonance state induced by a unitary scattering potential is shown to exist in a d-wave superconductor, but is absent in an s-wave superconductor. The tunneling spectrum associated with a Zn impurity and the phenomenological theory of quasiparticle interference are discussed and compared with the experimental results. The in-gap resonance or bound states induced by a magnetic impurity and the Kondo effect in a d-wave superconductor are also discussed.

Keywords

single-particle scatteringKondo effectresonance stateimpurity correction to the density of statesquasiparticle interference
Type
Chapter
Information
D-wave Superconductivity , pp. 158 - 183
Publisher: Cambridge University Press
Print publication year: 2022

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  • Single Impurity Scattering
  • Tao Xiang, Chinese Academy of Sciences, Beijing, Congjun Wu, Westlake University, Hangzhou
  • Book: D-wave Superconductivity
  • Online publication: 17 June 2022
  • Chapter DOI: https://doi.org/10.1017/9781009218566.009
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  • Single Impurity Scattering
  • Tao Xiang, Chinese Academy of Sciences, Beijing, Congjun Wu, Westlake University, Hangzhou
  • Book: D-wave Superconductivity
  • Online publication: 17 June 2022
  • Chapter DOI: https://doi.org/10.1017/9781009218566.009
Available formats
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To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Single Impurity Scattering
  • Tao Xiang, Chinese Academy of Sciences, Beijing, Congjun Wu, Westlake University, Hangzhou
  • Book: D-wave Superconductivity
  • Online publication: 17 June 2022
  • Chapter DOI: https://doi.org/10.1017/9781009218566.009
Available formats
×