Mixed-valence insulators with neutral Fermi surfaces
Samarium hexaboride is a classic three-dimensional mixed valence system with a high-
temperature metallic phase that evolves into a paramagnetic charge insulator below 40 K. A …
temperature metallic phase that evolves into a paramagnetic charge insulator below 40 K. A …
Quantum oscillations in insulators with neutral Fermi surfaces
We develop a theory of quantum oscillations in insulators with an emergent Fermi sea of
neutral fermions minimally coupled to an emergent U (1) gauge field. As pointed out by …
neutral fermions minimally coupled to an emergent U (1) gauge field. As pointed out by …
Non-trivial surface states of samarium hexaboride at the (111) surface
Y Ohtsubo, Y Yamashita, K Hagiwara, S Ideta… - Nature …, 2019 - nature.com
The peculiar metallic electronic states observed in the Kondo insulator, samarium
hexaboride (SmB6), has stimulated considerable attention among those studying non-trivial …
hexaboride (SmB6), has stimulated considerable attention among those studying non-trivial …
Consistency between ARPES and STM measurements on
The Kondo insulator SmB 6 has emerged as a primary candidate for exotic quantum phases,
due to the predicted formation of strongly correlated, low-velocity topological surface states …
due to the predicted formation of strongly correlated, low-velocity topological surface states …
Observation of the Superconducting Proximity Effect in the Surface State of Thin Films
The proximity effect at the interface between a topological insulator and a superconductor is
predicted to give rise to chiral topological superconductivity and Majorana fermion …
predicted to give rise to chiral topological superconductivity and Majorana fermion …
An STM Perspective on Hexaborides: Surface States of the Kondo Insulator SmB6
S Wirth, P Schlottmann - Advanced Quantum Technologies, 2021 - Wiley Online Library
Compounds within the hexaboride class of materials exhibit a wide variety of interesting
physical phenomena, including polaron formation and quadrupolar order. In particular …
physical phenomena, including polaron formation and quadrupolar order. In particular …
Transport properties of variously doped SmB6
SmB6 is a heavy fermion semiconductor with a narrow energy gap at the Fermi level, often
denoted also as Kondo insulator, which has recently been considered to be a topological …
denoted also as Kondo insulator, which has recently been considered to be a topological …
Critical examination of quantum oscillations in
PS Riseborough, Z Fisk - Physical Review B, 2017 - APS
We critically review the results of magnetic torque measurements on SmB 6 that show
quantum oscillations. Similar studies have been given two different interpretations. One …
quantum oscillations. Similar studies have been given two different interpretations. One …
Direct measurement of a remnant Fermi surface in SmB6
TE Millichamp, D Billington, HC Robarts… - arXiv preprint arXiv …, 2021 - arxiv.org
The quest to understand the nature of the electronic state in SmB6 has been challenging,
perplexing and surprising researchers for over half a century. In the theoretically predicted …
perplexing and surprising researchers for over half a century. In the theoretically predicted …
拓扑近藤绝缘体SmB6 中的奇异电子性质
赵淦, 张明远, 王佳敏, 张旺, 苗霖 - 物理学进展, 2020 - pip.nju.edu.cn
拓扑近藤绝缘体是一种本征的强关联拓扑电子体系, 其体能隙来源于近藤关联效应. 自2010
年拓扑近藤绝缘体的理论概念被提出后, 六硼化钐(SmB 6) 作为第一种被预测为拓扑近藤绝缘体 …
年拓扑近藤绝缘体的理论概念被提出后, 六硼化钐(SmB 6) 作为第一种被预测为拓扑近藤绝缘体 …