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How to realize a robust practical Majorana chain in a quantum dot-superconductor linear array
Jay D. Sau, S. Das Sarma
Semiconducting nanowires in proximity to superconductors are promising experimental systems for Majorana fermions, which may ultimately be used as building blocks for topological q…
Topologically protected surface Majorana arcs and bulk Weyl fermions in ferromagnetic superconductors
Jay D. Sau, Sumanta Tewari
A number of ferromagnetic superconductors have been recently discovered which are believed to be in the so-called "equal spin pairing" (ESP) state. In the ESP state the Cooper pair…
Majorana fermions in carbon nanotubes
Jay D. Sau, Sumanta Tewari
We show that carbon nanotubes (CNT) are good candidates for realizing one-dimensional topological superconductivity with Majorana fermions localized near the end points. The physic…
Multi-particle Auger dissociation of excitons in shallow doped carbon nanotubes
Jay D. Sau, Jared J. Crochet, Miguel Dimas +3
Shallow hole-doping in small diameter single-wall carbon nanotubes by HO is shown to result in delocalized excited state quenching with no effects on the ground state absor…
Topological invariants for spin-orbit coupled superconductor nanowires
Sumanta Tewari, Jay D. Sau
We show that a spin-orbit coupled semiconductor nanowire with Zeeman splitting and s-wave superconductivity is in symmetry class BDI (not D as is commonly thought) of the topologic…
Experimental and materials considerations for the topological superconducting state in electron and hole doped semiconductors: searching for non-Abelian Majorana modes in 1D nanowires and 2D heterostructures
Jay D. Sau, Sumanta Tewari, S. Das Sarma
In proximity to an s-wave superconductor, a one- or two-dimensional, electron- or hole-doped semiconductor with a sizable spin-orbit coupling and a Zeeman splitting can support a t…