Novel qubits in hybrid semiconductor-superconductor nanostructures

arXiv:2512.23336 · cond-mat.mes-hall, cond-mat.supr-con, quant-ph · Submitted 2025-12-29 · Read on arXiv

cond-mat.mes-hall, cond-mat.supr-con, quant-ph

Submitted: 2025-12-29

Updated: 2026-10-06

Terminology

• Core — 30× in this paper · explained in 2 episodes
• Andreev Bound States — 25× in this paper · explained in 1 episode
• Degeneracy — 16× in this paper · explained in 3 episodes
• Anyons — 12× in this paper · explained in 2 episodes
• Quantization — 12× in this paper · explained in 12 episodes
• Quantum Capacitance — 12× in this paper · explained in 2 episodes
• Trace — 12× in this paper · explained in 2 episodes
• Coherence Length — 9× in this paper · explained in 2 episodes
• Fidelity — 8× in this paper · explained in 2 episodes
• Hybrid System — 8× in this paper · explained in 2 episodes
• Quantum Circuits — 7× in this paper · explained in 2 episodes
• Effective Hamiltonian — 5× in this paper · explained in 2 episodes
• Numerical Renormalization Group — 5× in this paper
• Robustness — 5× in this paper · explained in 5 episodes
• Hilbert Space — 4× in this paper · explained in 2 episodes
• Molecular Beam Epitaxy — 4× in this paper
• Phase Transitions — 3× in this paper · explained in 2 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Hybrid Architectures — 2× in this paper · explained in 3 episodes
• All-to-All Connectivity — 1× in this paper · explained in 1 episode
• Alternation — 1× in this paper · explained in 1 episode
• Benchmarking — 1× in this paper · explained in 3 episodes
• Frequency Dependence — 1× in this paper · explained in 2 episodes
• Frustration — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Hamiltonian Learning — 1× in this paper · explained in 2 episodes
• Majorana Zero Modes (MZMs) — 1× in this paper · explained in 3 episodes
• Signal-to-noise ratio (SNR) — 1× in this paper · explained in 2 episodes
• Spin-Orbit Coupling (SOC) — 1× in this paper · explained in 3 episodes
• Stark Shift — 1× in this paper · explained in 2 episodes
• Symmetry Breaking — 1× in this paper · explained in 3 episodes
• Topological Order — 1× in this paper · explained in 2 episodes
• Transmission spectroscopy — 1× in this paper · explained in 2 episodes

Sources

• Performance Stabilization of High-Coherence Superconducting Qubits
• Phase controlled multi-terminal Josephson junction in ternary hybrid nanowire
• Quasiparticle trapping by orbital effect in a hybrid superconducting-semiconducting circuit
• Protected qubit based on a superconducting current mirror
• Higher Josephson harmonics in a tunable double-junction transmon qubit
• High critical magnetic field superconducting contacts to Ge/Si core/shell nanowires
• Andreev spin qubit protected by Franck-Condon blockade
• A two-dimensional 10-qubit array in germanium with robust and localised qubit control
• Gate- and flux-tunable sin(2$\varphi$) Josephson element with proximitized Ge-based junctions
• Measurement of parity-dependent energy-phase relation of the low-energy states in a potential artificial Kitaev chain utilizing a transmon qubit
• Protocol to identify a topological superconducting phase in a three-terminal device
• Distinct Lifetimes for $X$ and $Z$ Loop Measurements in a Majorana Tetron Device
• Comment on "Interferometric single-shot parity measurement in InAs-Al hybrid devices", Microsoft Quantum, Nature 638, 651-655 (2025)
• Current cross-correlation spectroscopy of Majorana bound states
• Probing Majorana localization of a phase-controlled three-site Kitaev chain with an additional quantum dot
• Two-site Kitaev sweet spots evolving into topological islands
• Cross-Platform Autonomous Control of Minimal Kitaev Chains
• Single-shot parity readout of a minimal Kitaev chain
• Braiding Majoranas in a linear quantum dot-superconductor array: Mitigating the errors from Coulomb repulsion and residual tunneling
• Adiabatic nonabelian braiding of imperfect Majoranas

Related papers

• Spectral density of angular momentum transfer from a swift electron to a large spherical nanoparticle
• High-harmonic spin-current signatures of altermagnetic spin-group symmetry
• Engineering the localization transition in a Charge-Kondo circuit
• Thermodynamic signatures of spectral compression in weakly non-Hermitian Dirac fermions
• Magnetoconductivity of two-dimensional Dirac cones and gapped nodal-rings under impurity-potentials in the ultraquantum limit
• Hot-Carrier Distribution Spectroscopy by Transconductance in Two-Dimensional Field-Effect Transistors