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Theoretical Study of Electron Correlation Driven Superconductivity in Systems with Coexisting Wide and Narrow Bands
Af: Daisuke Ogura
Engelsk
Bogcover for Theoretical Study of Electron Correlation Driven Superconductivity in Systems with Coexisting Wide and Narrow Bands af Daisuke Ogura, 9789811506666
Specifikationer
Sprog:
Engelsk
Sider:
122
ISBN-13:
9789811506666
Indbinding:
Hardback
ISBN-10:
9811506663
Kategori:
Udg. Dato:
4 nov 2019
Størrelse i cm:
23,5 x 15,5
Forlag:
Oplagsdato:
4 nov 2019
Forfatter(e):
Genre:

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

Af: Daisuke Ogura
Engelsk
Format:
Bog beskrivelse

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.

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Specifikationer
Sprog:
Engelsk
Sider:
122
ISBN-13:
9789811506666
Indbinding:
Hardback
ISBN-10:
9811506663
Kategori:
Udg. Dato:
4 nov 2019
Størrelse i cm:
23,5 x 15,5
Forlag:
Oplagsdato:
4 nov 2019
Forfatter(e):
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