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Springer Theses

Theoretical Study of Electron Correlation Driven Superconductivity in Systems with Coexisting Wide and Narrow Bands

Authors: Ogura, Daisuke

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  • Nominated as an outstanding PhD thesis by Osaka University, Japan
  • Provides a systematic understanding on the role of strong correlation effects in superconductivity in systems with coexisting wide and narrow bands
  • Proposes a possible occurrence of high-temperature superconductivity in the Ruddlesden-Popper type compound based on an original concept: the “hidden ladder” electronic structure
  • Includes concise information on theoretical and computational aspects based on the Green’s function method and the density functional theory
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About this book

This book deals with the study of superconductivity in systems with coexisting wide and narrow bands. It has been previously suggested that superconductivity can be enhanced in systems with coexisting wide and narrow bands when the Fermi level is near the narrow band edge. In this book, the authors study two problems concerning this mechanism in order to: (a) provide a systematic understanding of the role of strong electron correlation effects, and (b) propose a realistic candidate material which meets the ideal criteria for high-Tc superconductivity.

Regarding the role of strong correlation effects, the FLEX+DMFT method is adopted. Based on systematic calculations, the pairing mechanism is found to be indeed valid even when the strong correlation effect is considered within the formalism. In the second half of the book, the authors propose a feasible candidate material by introducing the concept of the “hidden ladder” electronic structure, arising from the combination of the bilayer lattice structure and the anisotropic orbitals of the electrons. As such, the book contributes a valuable theoretical guiding principle for seeking unknown high-Tc superconductors.

Table of contents (6 chapters)

Table of contents (6 chapters)

Buy this book

eBook 106,99 €
price for Spain (gross)
  • ISBN 978-981-15-0667-3
  • Digitally watermarked, DRM-free
  • Included format: EPUB, PDF
  • ebooks can be used on all reading devices
  • Immediate eBook download after purchase
Hardcover 135,19 €
price for Spain (gross)
  • ISBN 978-981-15-0666-6
  • Free shipping for individuals worldwide
  • Immediate ebook access, if available*, with your print order
  • Usually dispatched within 3 to 5 business days.
  • The final prices may differ from the prices shown due to specifics of VAT rules
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Bibliographic Information

Bibliographic Information
Book Title
Theoretical Study of Electron Correlation Driven Superconductivity in Systems with Coexisting Wide and Narrow Bands
Authors
Series Title
Springer Theses
Copyright
2019
Publisher
Springer Singapore
Copyright Holder
Springer Nature Singapore Pte Ltd.
eBook ISBN
978-981-15-0667-3
DOI
10.1007/978-981-15-0667-3
Hardcover ISBN
978-981-15-0666-6
Series ISSN
2190-5053
Edition Number
1
Number of Pages
XXI, 122
Number of Illustrations
27 b/w illustrations, 43 illustrations in colour
Topics

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