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4 papers · 2 filters
Coulomb interaction effects on the Majorana states in quantum wires
Andrei Manolescu, D. C. Marinescu, Tudor D. Stanescu
The stability of the Majorana modes in the presence of a repulsive interaction is studied in the standard semiconductor wire - metallic superconductor configuration. The effects of…
Non-locality of zero-bias anomalies in the topologically-trivial phase of Majorana wires
Tudor D. Stanescu, Sumanta Tewari
We show that the topologically trivial zero bias peak (ZBP) emerging in semiconductor Majorana wires due to soft confinement exhibits correlated splitting oscillations as a functio…
Ultrafast carrier dynamics in thin-films of the topological insulator Bi2Se3
Yuri D. Glinka, Sercan Babakiray, Trent A. Johnson +2
Transient reflectivity measurements of thin films, ranging from 6 to 40 nm in thickness, of the topological insulator Bi2Se3 revealed a strong dependence of the carrier relaxation…
Superconducting proximity effect in semiconductor nanowires
Tudor D. Stanescu, S. Das Sarma
We theoretically consider the proximity effect in semiconductor-superconductor hybrid nanostructures, which are being extensively studied in the context of the ongoing search for n…