Anomalous modulation of a zero bias peak in a hybrid nanowire-superconductor device

Abstract

We report on sub-gap transport measurements of an InAs nanowire coupled to niobium nitride leads at high magnetic fields. We observe a zero-bias anomaly (ZBA) in the differential conductance of the nanowire for certain ranges of magnetic field and chemical potential. The ZBA can oscillate in width with either magnetic field or chemical potential; it can even split and reform. We discuss how our results relate to recent predictions of hybridizing Majorana fermions in semiconducting nanowires, while considering more mundane explanations.

arXiv comment7 pages, 7 figures

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• Optimizing the transport of Majorana zero modes in one-dimensional topological superconductors
• Kitaev chain with a quantum dot
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• Measurement-only topological quantum computation without forced measurements
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• Renormalization of the Majorana bound state decay length in a perpendicular magnetic field
• Majorana phase-gate based on the geometric phase
• Josephson-Current Signatures of Unpaired Floquet Majorana Bound States
• 1D Majorana Goldstinos and partial supersymmetry breaking in quantum wires
• Coexistence of Strong and Weak Majorana Zero Modes in Anisotropic XY Spin Chain with Second-Neighbor Interaction
• Zero Bias Conductance Peak in Dirac Semimetal-Superconductor Devices
• Phonon-Assisted Andreev Reflection at Majorana Zero Mode
• Entanglement and Disordered-Enhanced Topological Phase in the Kitaev Chain
• Proposal for measuring the parity anomaly in a topological superconductor ring
• Electrostatical formation of the Majorana quasiparticles in the quantum dot--nanoring structure
• Magnetic manipulation of topological states in p-wave superconductors
• Majorana Doublets, Flat Bands, and Dirac Nodes in s-Wave Superfluids
• Non-Abelian fermion parity interferometry of Majorana bound states in a Fermi sea
• Andreev levels spectroscopy of topological three-terminal junctions
• Majorana fermions in quasi-1D and higher dimensional ultracold fermionic optical lattices
• Majorana bound states in nanowire-superconductor hybrid systems in periodic magnetic fields
• Majorana orthogonal transformation and Majorana zero modes in free fermionic systems
• Quantum charge fluctuations of a proximitized nanowire
• Fractional Chern insulator edges and layer-resolved lattice contacts
• Tailoring phase transition from topological superconductor to trivial superconductor induced by magnetic textures of a spin-chain on a $p$-wave superconductor
• Disordered Majorana nanowires: Studying disorder without any disorder
• Non-Kondo many-body physics in a Majorana-based Kondo type system
• Machine-learned tuning of artificial Kitaev chains from tunneling-spectroscopy measurements
• Time-reversal-invariant topological superconductivity
• Coulomb Blockade in Fractional Topological Superconductors
• Nodal S-wave Superconductivity in Antiferromagnetic Semimetals
• Transmission Amplitude through a Coulomb blockaded Majorana Wire
• Induced superconductivity and engineered Josephson tunneling devices in epitaxial (111)-oriented gold/vanadium heterostructures
• Continuous error correction for Ising anyons
• Magneto-conductance of topological junctions based on two-dimensional electron gases reveals Majorana phases
• Delocalisation of Majorana quasiparticles in plaquette--nanowire hybrid system
• Demonstrating Entanglement by Testing Bell's Theorem in Majorana Wires
• Evidence for a New Excitation at the Interface Between a High-Tc Superconductor and a Topological Insulator
• Interference and parity blockade in transport through a Majorana box
• Random matrix theory for the robustness, quantization, and end-to-end correlation of zero-bias conductance peaks in a class D ensemble
• Majorana fermions in topological insulator nanowires: from single superconducting nanowires to Josephson junctions
• Simulating artificial one-dimensional physics with ultra-cold fermionic atoms: three exemplary themes
• Dual topological superconducting states in the layered titanium-based oxypnictide superconductor BaTi${}_2$Sb${}_2$O
• The invisible Majorana bound state at the helical edge
• Braiding and all quantum operations with Majorana modes in 1D
• Superconducting-contact-induced resistance-anomalies in the 3D topological insulator Bi2Te3
• Majorana versus Andreev bound state energy oscillations in a 1D semiconductor-superconductor heterostructure
• Reveal the non-local coherent nature from a dissipative Majorana teleportation
• Visibility of noisy quantum dot-based measurements of Majorana qubits
• Strain manipulation of Majorana fermions in graphene armchair nanoribbons
• Role of Bath-Induced Many-Body Interactions in the Dissipative Phases of the Su-Schrieffer-Heeger Model
• InSb Nanowires with Built-In GaxIn1-xSb Tunnel Barriers for Majorana Devices
• Odd-frequency superconductivity induced in topological insulators with and without hexagonal warping
• First principles study of topological phase in chains of $3d$ transition metals
• Hidden Symmetry Decoupling of Majorana Fermions
• Dispersive 1D Majorana modes with emergent supersymmetry in 1D proximitized superconductors via spatially-modulated potentials and magnetic fields
• Driving Topological Phases by Spatially Inhomogeneous Pairing Centers
• Coalescing Majorana edge modes in non-Hermitian PT-symmetric Kitaev chain
• Fermion Parity Flips and Majorana Bound States at twist defects in Superconducting Fractional Topological Phases
• Evolution of the transmission phase through a Coulomb-blockaded Majorana wire
• Do Rydberg chains yield Fibonacci anyons?
• Phase-Controllable Nonlocal Spin Polarization in Proximitized Nanowires
• Effective models of doped quantum ladders of non-Abelian anyons
• Master equation approach for transport through Majorana zero modes
• Disorder-induced subgap states and Majorana zero-energy edge modes in two-dimensional topological insulator-superconductor hybrid structures
• Probing zero-modes of defect in Kitaev quantum wire
• Current distributions in stripe Majorana junctions
• Phonon-Assisted Tunneling through Quantum Dot Systems Connected to Majorana Bound States
• Zero-energy bound state at the interface between an $s$-wave superconductor and a disordered normal metal with repulsive electron-electron interactions
• Microscopic theory of the current-voltage characteristics of Josephson tunnel junctions
• Quantum Criticality in Resonant Andreev Conduction
• Unitary preparation of many body Chern insulators: Adiabatic bulk boundary correspondence
• Interaction-induced topological superconductivity in antiferromagnet-superconductor junctions
• Edge states, Majorana fermions and topological order in superconducting wires with generalized boundary conditions
• Survival probability in a quenched Majorana chain with an impurity
• Revisiting 2-pi phase slip suppression in topological Josephson junctions
• Magnetic chains on a triplet superconductor
• Majorana zero modes by engineering topological kink states in two dimensional electron gas
• Transport across a system with three p-wave superconducting wires: effects of Majorana modes and interactions
• Fano resonances can provide two criteria to distinguish Majorana bound states from other candidates in experiments
• Dynamical approach to improving Majorana qubits and distinguishing them from trivial bound states
• Effect of interaction on the Majorana zero modes in the Kitaev chain at half filling
• Electrostatic effects and topological superconductivity in semiconductor-superconductor-magnetic insulator hybrid wires
• Readout of Majorana bound states via Landau-Zener transition
• Resilience of topological superconductivity under particle current
• Quantum gates by periodic driving
• Coulomb-interaction-induced Majorana edge modes in nanowires
• Protected gap closing in Josephson junctions constructed on Bi${}_2$Te${}_3$ surface
• Bound states in the continuum poisoned by Majorana fermions
• Dephasing of Majorana qubits due to quasistatic disorder
• Majorana zero-modes in a dissipative Rashba nanowire
• Constrained thermalisation and topological superconductivity
• Majorana modes in smooth normal-superconductor nanowire junctions
• Quantum charge pumping through Majorana bound states
• High critical temperature nodal superconductors as building block for time-reversal invariant topological superconductivity
• Josephson current via an isolated Majorana zero mode
• Entangled states of two quantum dots mediated by Majorana fermions
• Zero energy modes in a superconductor with ferromagnetic adatom chains and quantum phase transitions
• Majorana Zero Modes in Cylindrical Semiconductor Quantum Wire
• Supercurrent and phase slips in a ballistic carbon nanotube embedded into a van der Waals heterostructure
• Phonon-induced Majorana Qubit Relaxation in Tunnel-Coupled Two-Island Topological Superconductors
• Magnon-mediated topological superconductivity in a quantum wire
• Vision transformer based Deep Learning of Topological indicators in Majorana Nanowires
• Josephson current signature of Floquet Majorana and topological accidental zero modes in altermagnet heterostructures
• Effect of Magnetic Field and Rashba Spin-Orbit Interaction on the Josephson Tunneling between Superconducting Nanowires
• Double Fu-teleportation and anomalous Coulomb blockade in a Majorana-hosted superconducting island
• Floquet-engineered diode performance in a Majorana-quantum dot Josephson junction
• Majorana corner pairs in a two-dimensional $s$-wave cold atomic superfluid
• Enhanced $2\pi$-periodic Aharonov-Bohm Effect as a Signature of Majorana Zero Modes Probed by Nonlocal Measurements
• Spin selective coupling to Majorana zero modes in mixed singlet and triplet superconducting nanowire
• Braids and phase gates through high-frequency virtual tunneling of Majorana Zero Modes
• Probing Majorana bound states via a pn-junction containing a quantum dot
• Study on the tunneling spectroscopy of $N-pS$ junction and $N-hS$ junction
• Stabilizing topological superconductivity in disordered spin-orbit coupled semiconductor-superconductor heterostructures
• Signatures of tunable Majorana-fermion edge states
• Disorder effects in planar semiconductor-superconductor structures: Majorana wires versus Josephson junctions
• Interaction effects in superconductor/quantum spin Hall devices: universal transport signatures and fractional Coulomb blockade
• Physics of the Majorana-superconducting qubit hybrids
• Fermi points and topological quantum phase transitions in a model of superconducting wires
• Mimicking black hole event horizons in atomic and solid-state systems
• Topologically Induced Fermion Parity Flips in Superconductor Vortices
• Maximal distant entanglement in Kitaev tube
• Tunable Majorana corner states driven by superconducting phase bias in a vertical Josephson junction
• 1D topological chains with Majorana fermions in 2D non-topological optical lattices
• Majorana transport in superconducting nanowire with Rashba and Dresselhaus spin-orbit couplings
• Topological phases and Majorana states in screened interacting quantum wires
• Superconductor/normal-metal/superconductor junction of topological superconductors revisited: Fractional Josephson current, fermion parity, and oscillating wavefunctions
• The differential conductance tunnel spectroscopy in an analytical solvable two-terminal Majorana device
• Many-body Majorana-like zero modes without gauge symmetry breaking
• Distinguishing Majorana bound states from Andreev bound states through differential conductance and current noise spectrum
• Screening cloud and non-Fermi-liquid scattering in topological Kondo devices
• Photoemission Spectroscopic Evidence of Multiple Dirac Cones in Superconducting BaSn${}_3$
• From Majorana fermions to topological quantum computation in semiconductor/superconductor heterostructures
• A Study of Topological Quantum Phase Transition and Majorana Localization Length for the Interacting Helical Liquid System
• Dynamical Phase Error in Interacting Topological Quantum Memories
• Theoretical proposal to obtain strong Majorana evidence from scanning tunneling spectroscopy of a vortex with a dissipative environment
• Chirality and spin transformation of triplet Cooper pairs upon interaction with singlet condensate
• Noise-Tolerance of Majorana Teleportation in Mesoscopic Topological Superconductors
• Josephson effect in multi-terminal superconductor-ferromagnet junctions coupled via triplet components
• Majorana mode stacking, robustness and size effect in cylindrical nanowires
• Mirror-protected Majorana zero modes in $f$-wave multilayer graphene superconductors
• Experimental realization of Majorana hinge and corner modes in intrinsic organic topological superconductor without magnetic field at room temperature
• Unified scattering approach to Josephson current and thermal noise in BCS and topological superconducting junctions
• Tuning spin orbit interaction in high quality gate-defined InAs one-dimensional channels
• Majorana Bound States hallmark in a quantum topological interferometer ring
• Majorana edge states and topological properties in 1D/2D Rashba semiconductor proximity coupled to iron-based superconductor
• Transport-based fusion that distinguishes between Majorana and Andreev bound states
• A unified numerical approach to semiconductor-superconductor heterostructures
• Majorana polarization in disordered heterostructures
• Shuttling Majorana zero modes in disordered and noisy topological superconductors
• Majorana zero modes in semiconductor-superconductor hybrid structures: Defining topology in short and disordered nanowires through Majorana splitting
• Universal quantum control over Majorana zero modes
• Properties of dissipative Floquet Majorana modes using a quantum dot
• Gate-tunable negative differential conductance in hybrid semiconductor-superconductor devices
• Non-Abelian operation through scattering between chiral Dirac edge modes
• Effects of Majorana bound states on dissipation and charging in a quantum resistor-capacitor circuit
• Probing Andreev reflection reach in semiconductor-superconductor hybrids by Aharonov-Bohm effect
• Double-dot interferometer for quantum measurement of Majorana qubits and stabilizers
• Control of Majorana Edge Modes by a g-factor Engineered Nanowire Spin Transistor
• Quantized conductance in a one-dimensional ballistic oxide nanodevice
• A hierarchy in Majorana non-abelian tests and hidden variable models
• Optical absorption of semiconductor 2D Majorana nanowires
• Measuring the Spin Polarization of a Ferromagnet: an Application of Time-Reversal Invariant Topological Superconductor
• Planar Josephson junction devices with narrow superconducting strips: Topological properties and optimization
• Magnetic Susceptibility of Dirac Fermions, Bi-Sb Alloys, Interacting Bloch Fermions, Dilute Nonmagnetic Alloys, and Kondo Alloys
• Helical spin texture and interference of Majorana bound states in one-dimensional topological superconductor
• Hidden chiral symmetries in BDI multichannel Kitaev chains
• Fermion parity gap and exponential ground state degeneracy of the one-dimensional Fermi gas with intrinsic attractive interaction
• Dynamics of Majorana zero modes across hybrid Kitaev chain
• Tunneling Magnetoresistance in Junctions Composed of Ferromagnets and Time-Reversal Invariant Topological Superconductors
• Probing time reversal symmetry breaking topological superconductivity in twisted double layer copper oxides with polar Kerr effect
• Detecting Majorana modes through Josephson junction ring-quantum dot hybrid architectures
• Mitigating disorder and optimizing topological indicators with vision-transformer-based neural networks in Majorana nanowires
• Memory-Critical Dynamical Buildup of Phonon-Dressed Majorana Fermions
• Majorana edge modes in isolated wires
• Majorana modes in graphene strips: polarization, wavefunctions, disorder, and Andreev states
• Topological superconducting phase in a non-Hermitian Kitaev chain with staggered pairing imbalance
• Multipartite entanglement in quantum phase transitions
• Creating and detecting poor man's Majorana bound states in interacting quantum dots
• Possible topological phases in quantum anomalous Hall insulator/unconventional superconductor hybrid systems
• Identification of the Majorana edge modes in tight-binding systems based on the Krylov method
• Proximity-induced superconductivity generated by thin films: Effects of Fermi surface mismatch and disorder in the superconductor
• Cross-correlation mediated by Majorana island with finite charging energy
• Spin-orbit Energies in Etch-Confined Superconductor-Semiconductor Nanowires
• Symmetry-protected topological wire in a topological vacuum
• Floquet first- and higher-order topological superconductors: A review
• Current cross-correlation spectroscopy of Majorana bound states