From Andreev to Majorana bound states in hybrid superconductor–semiconductor nanowires
Inhomogeneous superconductors can host electronic excitations, known as Andreev bound
states (ABSs), below the superconducting energy gap. With the advent of topological …
states (ABSs), below the superconducting energy gap. With the advent of topological …
Topological nanomaterials
The past decade has witnessed the emergence of a new frontier in condensed matter
physics: topological materials with an electronic band structure belonging to a different …
physics: topological materials with an electronic band structure belonging to a different …
Physical mechanisms for zero-bias conductance peaks in Majorana nanowires
Motivated by the need to understand and simulate the ubiquitous experimentally observed
zero-bias conductance peaks in superconductor-semiconductor hybrid structures, we …
zero-bias conductance peaks in superconductor-semiconductor hybrid structures, we …
Majorana nanowires for topological quantum computation
P Marra - Journal of Applied Physics, 2022 - pubs.aip.org
Majorana bound states are quasiparticle excitations localized at the boundaries of a
topologically nontrivial superconductor. They are zero-energy, charge-neutral, particle–hole …
topologically nontrivial superconductor. They are zero-energy, charge-neutral, particle–hole …
Estimating disorder and its adverse effects in semiconductor Majorana nanowires
We use the available transport measurements in the literature to develop a dataset for the
likely amount of disorder in semiconductor (InAs and InSb) materials which are used in …
likely amount of disorder in semiconductor (InAs and InSb) materials which are used in …
Zero-energy Andreev bound states from quantum dots in proximitized Rashba nanowires
We study an analytical model of a Rashba nanowire that is partially covered by and coupled
to a thin superconducting layer, where the uncovered region of the nanowire forms a …
to a thin superconducting layer, where the uncovered region of the nanowire forms a …
Three-terminal nonlocal conductance in Majorana nanowires: Distinguishing topological and trivial in realistic systems with disorder and inhomogeneous potential
We develop a theory for the three-terminal nonlocal conductance in Majorana nanowires as
existing in the superconductor-semiconductor hybrid structures in the presence of …
existing in the superconductor-semiconductor hybrid structures in the presence of …
Quantized and unquantized zero-bias tunneling conductance peaks in Majorana nanowires: Conductance below and above
Majorana zero modes can appear at the wire ends of a one-dimensional topological
superconductor and manifest themselves as a quantized zero-bias conductance peak in the …
superconductor and manifest themselves as a quantized zero-bias conductance peak in the …
Closing of the induced gap in a hybrid superconductor-semiconductor nanowire
We present conductance-matrix measurements in long, three-terminal hybrid
superconductor-semiconductor nanowires, and compare with theoretical predictions of a …
superconductor-semiconductor nanowires, and compare with theoretical predictions of a …
Progress in superconductor-semiconductor topological Josephson junctions
Majorana bound states (MBSs) are quasiparticles that are their own antiparticles. They are
predicted to emerge as zero-energy modes localized at the boundary of a topological …
predicted to emerge as zero-energy modes localized at the boundary of a topological …