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5 papers · 2 filters
Enhanced bulk-edge Coulomb coupling in Fractional Fabry-Perot interferometers
C. W. von Keyserlingk, S. H. Simon, Bernd Rosenow
We study the effects of bulk-edge Coulomb coupling on quantum Hall Fabry-Perot interferometers. We find that these effects can be appreciable in devices which would not usually be…
Magnetic order and spin excitations in layered Heisenberg antiferromagnets with compass-model anisotropies
A. A. Vladimirov, D. Ihle, N. M. Plakida
The spin-wave excitation spectrum, the magnetization, and the Néel temperature for the quasi-two-dimensional spin-1/2 antiferromagnetic Heisenberg model with compass-model interact…
Exciton formation in strongly correlated electron-hole systems near the semimetal-semiconductor transition
B Zenker, D Ihle, F X Bronold +1
The region surrounding the excitonic insulator phase is a three-component plasma composed of electrons, holes, and excitons. Due to the extended nature of the excitons, their prese…
Electronic excitations and structure of Li2IrO3 thin films grown on ZrO:Y (001) substrates
Marcus Jenderka, Rüdiger Schmidt-Grund, Marius Grundmann +1
Thin films are a prerequisite for application of the emergent exotic ground states in iridates that result from the interplay of strong spin-orbit coupling and electronic correlati…
Unconventional pairing and electronic dimerization instabilities in the doped Kitaev-Heisenberg model
Daniel D. Scherer, Michael M. Scherer, Giniyat Khaliullin +2
We study the quantum many-body instabilities of the Kitaev-Heisenberg Hamiltonian on the honeycomb lattice as a minimal model for a doped spin-…