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High-resolution studies of the Majorana atomic chain platform
Benjamin E. Feldman, Mallika T. Randeria, Jian Li +6
Ordered assemblies of magnetic atoms on the surface of conventional superconductors can be used to engineer topological superconducting phases and realize Majorana fermion quasipar…
Imaging electronic states on topological semimetals using scanning tunneling microscopy
Andras Gyenis, Hiroyuki Inoue, Sangjun Jeon +12
Following the intense studies on topological insulators, significant efforts have recently been devoted to the search for gapless topological systems. These materials not only broa…
Observation of the quantum-anomalous-Hall insulator to Anderson insulator quantum phase transition and its scaling behavior
Cui-Zu Chang, Weiwei Zhao, Jian Li +4
Fundamental insight into the nature of the quantum phase transition from a superconductor to an insulator in two dimensions, or from one plateau to the next or to an insulator in q…
Quasiparticle interference of the Fermi arcs and surface-bulk connectivity of a Weyl semimetal
Hiroyuki Inoue, Andras Gyenis, Zhijun Wang +6
Weyl semimetals host topologically protected surface states, with arced Fermi surface contours that are predicted to propagate through the bulk when their momentum matches that of…
Large discrete jumps observed in the transition between Chern states in a ferromagnetic Topological Insulator
Minhao Liu, Wudi Wang, Anthony R. Richardella +5
A striking prediction in topological insulators is the appearance of the quantized Hall resistance when the surface states are magnetized. The surface Dirac states become gapped ev…
Universal signatures of Fermi arcs in quasiparticle interference on the surface of Weyl semimetals
Stefanos Kourtis, Jian Li, Zhijun Wang +2
Weyl semimetals constitute a newly discovered class of three-dimensional topological materials with linear touchings of valence and conduction bands in the bulk. The most striking…