834 papers
Superconductivity is a fascinating state of matter where materials conduct electricity without any resistance, often defying our everyday expectations of how energy behaves. Researchers in this field explore the quantum mechanics behind these phenomena, seeking new materials that can operate at higher temperatures or under more practical conditions. This work holds the promise of revolutionizing everything from power grids to medical imaging devices, making the invisible world of quantum physics feel increasingly tangible and useful.
At Gist.Science, we monitor the arXiv database continuously to bring you the very latest preprints in Cond-Mat — Supr-Con as soon as they are posted. For every new submission, we generate both detailed technical summaries for experts and clear, plain-language explanations for curious readers, ensuring that cutting-edge discoveries are accessible to everyone regardless of their background. Below are the latest papers in this dynamic field, ready for you to explore.
Using a superconducting-qubit quantum simulator to realize a triangular-ladder Bose-Hubbard model with tunable synthetic magnetic flux, the authors experimentally characterize and identify distinct quantum phases, including chiral superfluids, Meissner superfluids, and bond-ordered insulators, demonstrating the platform's capability to probe strongly correlated and frustrated many-body systems.
This paper presents a microscopic real-space model of laser-induced superconductivity melting that reproduces experimental critical slowing-down and predicts unique backward-wave-like current textures and phase fluctuations following the pulse.
This paper reports the successful fabrication of Josephson junctions using epitaxial Al/InAs/(Ga,Fe)Sb heterostructures, which exhibit gate-tunable supercurrents and unconventional magnetic interference patterns that confirm the realization of a highly tunable platform for exploring the interplay between superconductivity and ferromagnetism.
This study identifies hydrogen tunneling as the microscopic origin of two-level systems in amorphous NbO and TaO, explaining their detrimental impact on superconducting qubit coherence and the experimentally observed higher loss in niobium oxide compared to tantalum oxide.
This paper proposes a "Dayem loop qubit" design utilizing two parallel superconducting nanowires, demonstrating that magnetic-field-induced quantum interference restores the necessary cubic nonlinearity to create a functional transmon qubit even when the individual nanowires exhibit nearly linear current-phase relationships.
This paper theoretically demonstrates that the warped quasi-two-dimensional Fermi surface of UTe, derived from GGA+ calculations, explains the oscillatory field-angle dependence of magnetoresistance observed in experiments, suggesting that hole bands with long relaxation times dominate electron transport.
This study demonstrates that fractal geometries, such as the Sierpiński carpet and gasket, act as selective filters for pairing symmetries in the extended Hubbard model by geometrically frustrating sign-changing order parameters to suppress d-wave superconductivity while enhancing extended s-wave or hybrid pairing channels.
This study reveals that overdoped infinite-layer nickelate LaSrNiO thin films exhibit a coexistence of -linear magnetoresistance and resistivity in the normal state, challenging conventional transport models and offering new insights into the ground state of these unconventional superconductors.
This paper summarizes the current state of research on high-pressure superconducting lanthanum nickel oxides (LaNiO and LaNiO), emphasizing the critical role of sample synthesis and characterization while highlighting the urgent need to discover variants that superconduct at lower or ambient pressures to facilitate deeper mechanistic understanding.
This study combines experimental transport measurements and theoretical calculations to reveal that UTe2 possesses a rectangular, anisotropically warped Fermi surface where electron-hole scattering dichotomy, driven by low-dimensional antiferromagnetic fluctuations, highlights the dominant role of electron pockets in its spin-triplet superconductivity.