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Critical Flow and Dissipation in a Quasi-One-Dimensional Superfluid
P-F Duc, M. Savard, M. Petrescu +3
In one of the most celebrated examples of the theory of universal critical phenomena, the phase transition to the superfluid state of He belongs to the same three dimensional…
Cavity Polariton Condensate in a Disordered Environment
Martin Thunert, Alexander Janot, Helena Franke +7
We report on the influence of disorder on an exciton-polariton condensate in a ZnO based bulk planar microcavity and compare experimental results with a theoretical model for a non…
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…
Topological superconductivity in Quantum Hall-superconductor hybrid systems
Björn Zocher, Bernd Rosenow
We develop a scenario to engineer a topological phase with Majorana edge states based on an integer quantum Hall (QH) system proximity coupled to a superconductor (SC). Due to the…
Zeeman field induced topological phase transitions in triplet superconductors
Timo Hyart, Anthony R. Wright, Bernd Rosenow
We develop a general Ginzburg-Landau theory which describes the effect of a Zeeman field on the superconducting order parameter in triplet superconductors. Starting from Ginzburg-L…
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-…