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Floquet second-order topological insulators from nonsymmorphic space-time symmetries
Yang Peng, Gil Refael
We propose a systematic way of constructing Floquet second-order topological insulators (SOTIs) based on time-glide symmetry, a nonsymmorphic space-time symmetry that is unique in…
Proximity-induced Majorana hinge modes in antiferromagnetic topological insulators
Yang Peng, Yong Xu
We propose a realization of chiral Majorana modes propagating on the hinges of a 3D antiferromagnetic topological insulator, which was recently theoretically predicted and experime…
Time-quasiperiodic topological superconductors with Majorana Multiplexing
Yang Peng, Gil Refael
Time-quasiperiodic Majoranas are generalizations of Floquet Majoranas in time-quasiperiodic superconducting systems. We show that in a system driven at mutually irrational freq…
Wave-function hybridization in Yu-Shiba-Rusinov dimers
Michael Ruby, Benjamin W. Heinrich, Yang Peng +2
Magnetic adsorbates on superconductors induce local bound states within the superconducting gap. These Yu-Shiba-Rusinov (\YSR) states decay slowly away from the impurity compared t…