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Reshaped Weyl fermionic dispersions driven by Coulomb interactions in MoTe2
Seoung-Hun Kang, Sangjun Jeon, Hyun-Jung Kim +7
We report the direct evidence of impacts of the Coulomb interaction in a prototypical Weyl semimetal, MoTe2, that alter its bare bands in a wide range of energy and momentum. Our q…
Cascade of electronic transitions in magic-angle twisted bilayer graphene
Dillon Wong, Kevin P. Nuckolls, Myungchul Oh +7
Magic-angle twisted bilayer graphene (MATBG) exhibits a rich variety of electronic states, including correlated insulators, superconductors, and topological phases. Understanding t…
Symmetry dictated grain boundary state in a two-dimensional topological insulator
Hyo Won Kim, Seoung-Hun Kang, Hyun-Jung Kim +10
Structural imperfections such as grain boundaries (GBs) and dislocations are ubiquitous in solids and have been of central importance in understanding nature of polycrystals. In ad…
Observation of a Majorana zero mode in a topologically protected edge channel
Berthold Jäck, Yonglong Xie, Jian Li +3
Superconducting proximity pairing in helical edge modes, such as those of topological insulators (TI), is predicted to provide a unique platform for realizing Majorana zero modes (…
Distinguishing a Majorana zero mode using spin resolved measurements
Sangjun Jeon, Yonglong Xie, Jian Li +3
One-dimensional topological superconductors host Majorana zero modes (MZMs), the non-local property of which could be exploited for quantum computing applications. Spin- polarized…
The Majorana spin in magnetic atomic chain systems
Jian Li, Sangjun Jeon, Yonglong Xie +2
In this paper, we establish that Majorana zero modes emerging from a topological band structure of a chain of magnetic atoms embedded in a superconductor can be distinguished from…