Condensed Matter · Physics & Astronomy
Superconductivity
The newest papers in Superconductivity that ReadSearch has read, newest first. Each links to its own page, with its authors, date, where it was published and the original.
30 papers, from 21 September 2026 to 5 November 2026: 30 arXiv preprints.
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Newest papers, page 2
Sidewall spacer passivated epitaxial NbN/AlN/NbN Josephson junctions for superconducting qubit applications
Epitaxial NbN/AlN/NbN Josephson junctions are promising alternatives to conventional Al/AlO$_x$/Al junctions for superconducting qubits due to their crystalline tunnel barriers and the high…Epitaxial NbN-junction-based self-shunted superconducting flux qubit with high anharmonicity
We report a demonstration of a self-shunted superconducting flux qubit (SSFQ) as an ultracompact, strongly anharmonic, and long-lifetime qubit by using the full epitaxially grown NbN/AlN/NbN…Stationarity as a One-Mode Constraint on Quantum Correlation
A stationary quantum state has one dynamical phase factor and one scalar energy even when its internal response spans a large Hilbert space.Resonances control when multiterminal Josephson currents reduce to two-terminal couplings
Multiterminal Josephson junctions, in which one weak link couples three or more superconductors, are studied as hosts of topological Andreev bands, multi-pair supercurrents and tunable circuit…Evanescent-wave Johnson Noise from Superconductors
We compute the evanescent-wave Johnson noise (EWJN) in the vacuum half-space above a superconductor, and the resulting relaxation time ($T_1$) of spin and charge qubits placed at nanometer distances…Neural Network Backflow with Low-Rank Multi-Determinant Updates
Simulating strongly correlated fermions remains a long-standing challenge due to the exponential complexity of the Hilbert space and the intricate sign structure of many-body wavefunctions.Evidence for a low-gap component in compressively stressed niobium thin films
We investigate the microwave response of sputtered Nb films as a function of biaxial film stress.The Superconducting Talbot Effect in Phased-Array Josephson Junctions
We introduce the superconducting Talbot effect---a macroscopic quantum self-imaging phenomenon occurring when proximitized Cooper pairs propagate through a ballistic two-dimensional electron gas.Superconducting qubit based on altermagnets
Altermagnets, characterized by vanishing net magnetization and momentum-dependent spin splitting, provide a promising platform for next-generation Josephson devices.Weyl Chirality and Kitaev Topology through Bargmann Invariants
We apply a finite-state geometric formulation based on Bargmann invariants to a two-band Weyl Hamiltonian and the one-dimensional Kitaev model of a p-wave superconductor.