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Theory of multipole fluctuation mediated superconductivity and multipole phase : important roles of many body effects and strong spin-orbit coupling / Rina Tazai.
Author
Tazai, Rina
[Browse]
Format
Book
Language
English
Εdition
1st ed. 2021.
Published/Created
Gateway East, Singapore : Springer, [2021]
©2021
Description
1 online resource (XVII, 118 p. 75 illus., 64 illus. in color.)
Availability
Available Online
Springer Nature - Springer Physics and Astronomy eBooks 2021 English International
Details
Subject(s)
Superconductivity
[Browse]
Series
Springer Theses, Recognizing Outstanding Ph.D. Research,
[More in this series]
Springer Theses, Recognizing Outstanding Ph.D. Research, 2190-5053
[More in this series]
Summary note
A strong spin-orbit interaction and Coulomb repulsion featuring strongly correlated d- and f-electron systems lead to various exotic phase transition including unconventional superconductivity and magnetic multipole order. However, their microscopic origins are long standing problem since they could not be explained based on conventional Migdal-Eliashberg theorem. The book focuses on many-body correlation effects beyond conventional theory for the d- and f-electron systems, and theoretically demonstrates the correlations to play significant roles in “mode-coupling” among multiple quantum fluctuations, which is called U-VC here. The following key findings are described in-depth: (i) spin triplet superconductivity caused by U-VC, (ii) being more important U-VC in f-electron systems due to magnetic multipole degrees of freedom induced by a spin-orbit interaction, and (iii) s-wave superconductivity stabilized cooperatively by antiferromagnetic fluctuations and electron-phonon interaction contrary to conventional understanding. The book provides meaningful step for revealing essential roles of many-body effects behind long standing problems in strongly correlated materials.
Source of description
Description based on print version record.
Contents
General Introduction
Functional Renormalization Group (fRG) study
Cooperation of el-ph and AFM fluctuations for SC state
S-wave superconductivity in CeCu2Si2
Multipole phase.
Show 2 more Contents items
ISBN
981-16-1026-6
OCLC
1252421639
Doi
10.1007/978-981-16-1026-4
Statement on language in description
Princeton University Library aims to describe library materials in a manner that is respectful to the individuals and communities who create, use, and are represented in the collections we manage.
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