Journal
JOURNAL OF PHYSICS-CONDENSED MATTER
Volume 28, Issue 36, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/28/36/363001
Keywords
topological insulator; Kondo insulator; topological Kondo insulator; ARPES; electronic structure; correlation effect
Categories
Funding
- NCCR-MARVEL - Swiss National Science Foundation
- Sino-Swiss Science and Technology Cooperation [IZLCZ2138954]
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Topological Kondo insulators are a new class of topological insulators in which metallic surface states protected by topological invariants reside in the bulk band gap at low temperatures. Unlike other 3D topological insulators, a truly insulating bulk state, which is critical for potential applications in next-generation electronic devices, is guaranteed by many-body effects in the topological Kondo insulator. Furthermore, the system has strong electron correlations that can serve as a testbed for interacting topological theories. This topical review focuses on recent advances in the study of SmB6, the most promising candidate for a topological Kondo insulator, from the perspective of spin- and angle-resolved photoemission spectroscopy with highlights of some important transport results.
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