144 citations · 654 across the 14 of their papers we have counts for
14 papers
Realizing Majorana Kramers pairs in two-channel InAs-Al nanowires with highly misaligned electric fields
Benjamin D Woods, Mark Friesen
Common proposals for realizing topological superconductivity and Majorana zero modes in semiconductor-superconductor hybrids require large magnetic fields, which paradoxically supp…
Spin-orbit enhancement in Si/SiGe heterostructures with oscillating Ge concentration
Benjamin D. Woods, M. A. Eriksson, Robert Joynt +1
We show that Ge concentration oscillations within the quantum well region of a Si/SiGe heterostructure can significantly enhance the spin-orbit coupling of the low-energy conductio…
Estimating disorder and its adverse effects in semiconductor Majorana nanowires
Seongjin Ahn, Haining Pan, Benjamin Woods +2
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 fa…
Delocalized states in three-terminal superconductor-semiconductor nanowire devices
P. Yu, B. D. Woods, J. Chen +4
We fabricate three-terminal hybrid devices with a nanowire segment proximitized by a superconductor, and with two tunnel probe contacts on either side of that segment. We perform s…
Enhanced topological superconductivity in spatially modulated planar Josephson junctions
Purna P. Paudel, Trey Cole, Benjamin D. Woods +1
We propose a semiconductor-superconductor hybrid device for realizing topological superconductivity and Majorana zero modes consisting of a planar Josephson junction structure with…
Charge impurity effects in hybrid Majorana nanowires
Benjamin D. Woods, Sankar Das Sarma, Tudor D. Stanescu
We address an outstanding problem that represents a critical roadblock in the development of the Majorana-based topological qubit using semiconductor-superconductor hybrid structur…
Electrostatic effects and topological superconductivity in semiconductor-superconductor-magnetic insulator hybrid wires
Benjamin D. Woods, Tudor D. Stanescu
We investigate the impact of electrostatics on the proximity effect between a magnetic insulator and a semiconductor wire in semiconductor-superconductor-magnetic insulator hybrid…
Enhanced topological protection in planar quasi-one-dimensional channels with periodically-modulated width
Benjamin D. Woods, Tudor D. Stanescu
We study one dimensional (1D) and quasi-1D periodic structures as possible platforms for the emergence of Majorana bound states with enhanced robustness against disorder and system…
Subband occupation in semiconductor-superconductor nanowires
Benjamin D. Woods, Sankar Das Sarma, Tudor D. Stanescu
Subband occupancy (i.e. the number of occupied subbands or energy levels in the semiconductor) is a key physical parameter characterizing the topological properties of superconduct…
Zero-energy pinning of topologically-trivial bound states in multi-band semiconductor-superconductor nanowires
Benjamin D. Woods, Jun Chen, Sergey M. Frolov +1
Recent tunneling conductance measurements on semiconductor-superconductor nanowires find zero-bias peaks to be ubiquitous across wide ranges of chemical potential and Zeeman energy…
Ubiquitous non-Majorana Zero-Bias Conductance Peaks in Nanowire Devices
Jun Chen, Benjamin Woods, Peng Yu +6
We perform tunneling measurements on indium antimonide nanowire/superconductor hybrid devices fabricated for the studies of Majorana bound states. At finite magnetic field, resonan…
Electronic structure of full-shell InAs/Al hybrid semiconductor-superconductor nanowires: Spin-orbit coupling and topological phase space
Benjamin D. Woods, Sankar Das Sarma, Tudor D. Stanescu
We study the electronic structure of full-shell superconductor-semiconductor nanowires, which have recently been proposed for creating Majorana zero modes, using an eight-band $\ve…
Control and detection of Majorana bound states in quantum dot arrays
John P. T. Stenger, Benjamin D. Woods, Sergey M. Frolov +1
We study the low-energy physics of a one-dimensional array of superconducting quantum dots realized by proximity coupling a semiconductor nanowire to multiple superconducting islan…
Effective theory approach to the Schrodinger-Poisson problem in semiconductor Majorana devices
Benjamin D. Woods, Tudor D. Stanescu, Sankar Das Sarma
We propose a method for solving the Schrodinger-Poisson problem that can be efficiently implemented in realistic 3D tight-binding models of semiconductor-based Majorana devices. Th…