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Semiclassical theory of the interaction correction to the conductance of antidot arrays
Martin Schneider, Georg Schwiete, Piet W. Brouwer
Electron-electron interactions are responsible for a correction to the conductance of a diffusive metal, the "Altshuler-Aronov correction" . Here we study the counterpart…
Near-zero-energy end states in topologically trivial spin-orbit coupled superconducting nanowires with a smooth confinement
G. Kells, D. Meidan, P. W. Brouwer
A one-dimensional spin-orbit coupled nanowire with proximity-induced pairing from a nearby s-wave superconductor may be in a topological nontrivial state, in which it has a zero en…
Enhanced zero-bias Majorana peak in disordered multi-subband quantum wires
Falko Pientka, Graham Kells, Alessandro Romito +2
A recent experiment [Mourik et al., Science 336, 1003 (2012)] on InSb quantum wires provides possible evidence for the realization of a topological superconducting phase and the fo…
Impurity-assisted Andreev reflection at a spin-active half-metal-superconductor interface
Francis B. Wilken, Piet W. Brouwer
The Andreev reflection amplitude at a clean interface between a half-metallic ferromagnet (H) and a superconductor (S) for which the half metal's magnetization has a gradient perpe…