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Evidence for a New Excitation at the Interface Between a High-Tc Superconductor and a Topological Insulator
Parisa Zareapour, Alex Hayat, Shu Yang F. Zhao +10
High-temperature superconductors exhibit a wide variety of novel excitations. If contacted with a topological insulator, the lifting of spin rotation symmetry in the surface states…
Anisotropic Fermi Surface and Quantum Limit Transport in High Mobility 3D Dirac Semimetal Cd3As2
Yanfei Zhao, Haiwen Liu, Chenglong Zhang +10
The three-dimensional (3D) topological Dirac semimetal is a new topological phase of matter, viewed as the 3D analogy of graphene with a linear dispersion in the 3D momentum space.…
Quasiparticle Interference, quasiparticle interactions and the origin of the charge density-wave in 2H-NbSe
C. J. Arguello, E. P. Rosenthal, E. F. Andrade +10
We show that a small number of intentionally introduced defects can be used as a spectroscopic tool to amplify quasiparticle interference in 2H-NbSe, that we measure by scann…
Optical evidence of surface state suppression in Bi based topological insulators
Anjan A. Reijnders, Y. Tian, L. J. Sandilands +13
A key challenge in condensed matter research is the optimization of topological insulator (TI) compounds for the study and future application of their unique surface states. Truly…