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Perfect transmission and Aharanov-Bohm oscillations in topological insulator nanowires with nonuniform cross section
Emmanouil Xypakis, Jun-Won Rhim, Jens H. Bardarson +1
Topological insulator nanowires with uniform cross section, combined with a magnetic flux, can host both a perfectly transmitted mode and Majorana zero modes. Here we consider nano…
Finding purifications with minimal entanglement
Johannes Hauschild, Eyal Leviatan, Jens H. Bardarson +3
Purification is a tool that allows to represent mixed quantum states as pure states on enlarged Hilbert spaces. A purification of a given state is not unique and its entanglement s…
Unified bulk-boundary correspondence for band insulators
Jun-Won Rhim, Jens H. Bardarson, Robert-Jan Slager
The bulk-boundary correspondence, a topic of intensive research interest over the past decades, is one of the quintessential ideas in the physics of topological quantum matter. Nev…
Ballistic transport through irradiated graphene
Jonathan Atteia, Jens. H. Bardarson, Jérome Cayssol
The coherent charge transport through an illuminated graphene ribbon is studied as function of electronic doping, frequency and strength of the electromagnetic driving, for monochr…
Suppression of scattering in quantum confined 2D-helical Dirac systems
Joseph Dufouleur, Emmanouil Xypakis, Bernd Büchner +2
Transport properties of disordered quantum confined helical Dirac systems are investigated in the large energy limit. As long as the 2D transport length is larger than the perimete…
Nodal-line semimetals from Weyl superlattices
Jan Behrends, Jun-Won Rhim, Shang Liu +2
The existence and topological classification of lower-dimensional Fermi surfaces is often tied to the crystal symmetries of the underlying lattice systems. Artificially engineered…