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Classification of interacting electronic topological insulators in three dimensions
Chong Wang, Andrew C. Potter, T. Senthil
A fundamental open problem in condensed matter physics is how the dichotomy between conventional and topological band insulators is modified in the presence of strong electron inte…
Gapped Symmetry Preserving Surface-State for the Electron Topological Insulator
Chong Wang, Andrew C. Potter, T. Senthil
It is well known that the 3D electronic topological insulator (TI) with charge-conservation and time-reversal symmetry cannot have a trivial insulating surface that preserves symme…
Edge-Ferromagnetism from Majorana Flat-Bands: Application to Split Tunneling-Conductance Peaks in the High-Tc Cuprates
Andrew C. Potter, Patrick A. Lee
In mean-field descriptions of nodal d-wave superconductors, generic edges exhibit dispersionless Majorana fermion bands at zero-energy. These states give rise to an extensive groun…
Anomalous Supercurrent from Majorana States in Topological Insulator Josephson Junctions
Andrew C. Potter, Liang Fu
We propose a Josephson junction setup based on a topological insulator (TI) thin film to detect Majorana states, which exploits the unique helical and extended nature of the TI sur…
Mechanisms for Sub-Gap Optical Conductivity in Herbertsmithite
Andrew C. Potter, T. Senthil, Patrick A. Lee
Recent terahertz conductivity measurements observed low-power-law frequency dependence of optical conduction within the Mott gap of the Kagome lattice spin-liquid candidate Herbert…