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Theoretical Study on Correlation Effects in Topological Matter (Hardcover) (Hiroki Isobe)

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This thesis elucidates electron correlation effects in topological matter whose electronic states hold nontrivial topological properties robust against small perturbations. In addition to a comprehensive introduction to topological matter, this thesis provides a new perspective on correlated topological matter.

The book comprises three subjects, in which electron correlations in different forms are considered. The first focuses on Coulomb interactions for massless Dirac fermions. Using a perturbative approach, the author reveals emergent Lorentz invariance in a low-energy limit and discusses how to probe the Lorentz invariance experimentally. The second subject aims to show a principle for synthesizing topological insulators with common, light elements. The interplay between the spin–orbit interaction and electron correlation is considered, and Hund's rule and electron filling are consequently found to play a key role for a strong spin–orbit interaction important for topological insulators. The last subject is classification of topological crystalline insulators in the presence of electron correlation. Unlike non-interacting topological insulators, such two- and three-dimensional correlated insulators with mirror symmetry are demonstrated to be characterized, respectively, by the Z4 and Zgroup by using the bosonization technique and a geometrical consideration.

Genre: Technology, Science
Series Title: Springer Theses
Format: Hardcover
Publisher: Springer Verlag
Author: Hiroki Isobe
Language: English
Street Date: September 11, 2017
TCIN: 52170749
UPC: 9789811037429
Item Number (DPCI): 248-42-9049
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