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 superconductivity in hybrid devices
Topological superconductivity can emerge from the combination of conventional
superconductivity in a metal and strong spin–orbit coupling in a semiconductor when they …
superconductivity in a metal and strong spin–orbit coupling in a semiconductor when they …
InAs-Al hybrid devices passing the topological gap protocol
M Aghaee, A Akkala, Z Alam, R Ali, A Alcaraz Ramirez… - Physical Review B, 2023 - APS
We present measurements and simulations of semiconductor-superconductor
heterostructure devices that are consistent with the observation of topological …
heterostructure devices that are consistent with the observation of topological …
Non-Majorana states yield nearly quantized conductance in proximatized nanowires
Semiconductor nanowires with proximity-induced superconductivity are leading contenders
for manifesting Majorana fermions in condensed matter,,,–. However, unambiguous …
for manifesting Majorana fermions in condensed matter,,,–. However, unambiguous …
Physical mechanisms for zero-bias conductance peaks in Majorana nanowires
H Pan, S Das Sarma - Physical Review Research, 2020 - APS
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 …
Selective area epitaxy of III–V nanostructure arrays and networks: Growth, applications, and future directions
Selective area epitaxy (SAE) can be used to grow highly uniform III–V nanostructure arrays
in a fully controllable way and is thus of great interest in both basic science and device …
in a fully controllable way and is thus of great interest in both basic science and device …
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 …
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 …
Local and nonlocal transport spectroscopy in planar Josephson junctions
We report simultaneously acquired local and nonlocal transport spectroscopy in a phase-
biased planar Josephson junction based on an epitaxial InAs-Al hybrid two-dimensional …
biased planar Josephson junction based on an epitaxial InAs-Al hybrid two-dimensional …