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Observation of a bulk 3D Dirac multiplet, Lifshitz transition, and nestled spin states in Na3Bi
Su-Yang Xu, Chang Liu, S. K. Kushwaha +20
Symmetry or topology protected Dirac fermion states in two and three dimensions constitute novel quantum systems that exhibit exotic physical phenomena. However, none of the studie…
Observation of monolayer valence band spin-orbit effect and induced quantum well states (QWS) in MoX2
Nasser Alidoust, Guang Bian, Su-Yang Xu +8
Transition metal dichalcogenides have attracted much attention recently due to their potential applications in spintronics and photonics as a result of the indirect to direct band…
An experimental algorithm for identifying the topological nature of Kondo and mixed valence insulators
M. Neupane, N. Alidoust, Suyang Xu +9
Possible topological nature of Kondo and mixed valence insulators has been a recent topic of interest in condensed matter physics. Attention has focused on SmB6, which has long bee…
Observation of a topological 3D Dirac semimetal phase in high-mobility Cd3As2
Madhab Neupane, SuYang Xu, R. Sankar +10
Experimental identification of three-dimensional (3D) Dirac semimetals in solid state systems is critical for realizing exotic topological phenomena and quantum transport such as t…
Observation of Dirac node formation and mass acquisition in a topological crystalline insulator
Yoshinori Okada, Maksym Serbyn, Hsin Lin +13
In the recently discovered topological crystalline insulators (TCIs), topology and crystal symmetry intertwine to create surface states with a unique set of characteristics. Among…
Non-trivial spin-texture of the coaxial Dirac cones on the surface of topological crystalline insulator SnTe
Yung Jui Wang, Wei-Feng Tsai, Hsin Lin +4
We present first principles calculations of the nontrivial surface states and their spin-textures in the topological crystalline insulator SnTe. The surface state dispersion on the…