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Higher-Order Topological Insulators
Frank Schindler, Ashley M. Cook, Maia G. Vergniory +4
Three-dimensional topological (crystalline) insulators are materials with an insulating bulk, but conducting surface states which are topologically protected by time-reversal (or s…
Numerical investigation of gapped edge states in fractional quantum Hall-superconductor heterostructures
C. Repellin, A. M. Cook, T. Neupert +1
Fractional quantum Hall-superconductor heterostructures may provide a platform towards non-abelian topological modes beyond Majoranas. However their quantitative theoretical study…
Direct Observation of Orbital Hybridisation in a Cuprate Superconductor
Christian E. Matt, D. Sutter, A. M. Cook +23
The minimal ingredients to explain the essential physics of layered copper-oxide (cuprates= materials remains heavily debated. Effective low energy single-band models of the copper…
Magnetic Weyl and Dirac Kondo semimetal phases in heterostructures
Seulgi Ok, Markus Legner, Titus Neupert +1
We study a layered three-dimensional heterostructure in which two types of Kondo insulators are stacked alternatingly. One of them is the topological Kondo insulator SmB 6 , the ot…
Determination of Hund's coupling in 5d Oxides using Resonant Inelastic X-ray Scattering
Bo Yuan, J. P. Clancy, A. M. Cook +10
We report resonant inelastic X-ray scattering (RIXS) measurements on ordered double perovskite samples containing Re and Ir with and electronic configur…