745 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.
This study utilizes highly sensitive ac calorimetry to observe bulk magneto-quantum oscillations in the anisotropic multiband superconductor VGa, confirming the characteristics of its dominant Fermi-surface pocket and demonstrating the technique's capability to probe topological orbital hybridization through the invariance of net Berry flux.
This study demonstrates that engineering the electromagnetic environment of an underdoped YBaCuO thin film using a tunable terahertz cavity enhances superconducting coherence and increases the superfluid weight by boosting phase stiffness, thereby offering a pathway to stabilize superconductivity in correlated systems.
This paper proposes that interband "Stark"-like coupling to ferroelectric quantum critical fluctuations generates an effective two-phonon interaction that significantly enhances the superconducting critical temperature in two-dimensional systems, offering a solution to the puzzle of superconductivity near ferroelectricity where conventional coupling is suppressed.
This paper quantitatively demonstrates that the Hall anomaly in thin films, including power-law behaviors and sign reversals observed in recent experiments, can be explained without adjustable parameters by a mechanism involving vacancies on vortex lattice fragments, which consistently yields an effective vortex line length of 1.5 unit cells regardless of film thickness.
This paper introduces the "Berezinskii--Abrahams hypercube," a unified symmetry-based framework that classifies all superconducting pairing states—including conventional, unconventional, and exotic orders like odd-frequency and spatially modulated phases—by their exchange properties, thereby identifying and guiding the exploration of previously overlooked hybrid superconducting orders.
Using a dynamic Schwinger boson approach, this study demonstrates that while the Hund's coupling scenario in bilayer nickelates predicts isotropic -wave superconductivity and Fermi liquid normal states, it fails to fully account for experimental observations, suggesting that this mechanism alone is insufficient to explain the material's high- superconductivity.
This paper demonstrates that the Chern--Simons extension of the Ginzburg--Landau model realizes a hybrid superconductivity where anyonic vortices, carrying both flux and charge, exhibit short-range repulsion and long-range attraction due to oscillatory field screening, thereby enabling the formation of separated multi-vortex bound states and breaking the conventional type-I/type-II dichotomy.
This paper demonstrates that nominally single-component superconductors on a square lattice can exhibit multiple correlation lengths and type-1.5 superconductivity with vortex clustering due to hidden competition between -wave and -wave irreducible representations of nonlocal pairing, even when the subdominant order parameter is suppressed in the ground state.
This paper theoretically demonstrates a gate-tunable superconducting spin valve in a van der Waals ferromagnet/superconductor/ferromagnet trilayer, where electrostatic gating modulates the exchange field to continuously switch between standard, inverse, and triplet spin-valve regimes while inducing exotic non-BCS phenomena such as reentrant superconductivity and first-order phase transitions.
This study reveals that in periodically strained graphene, strain-induced sublattice polarization suppresses superconductivity in high-density flat-band regions, forcing the pairing to instead emerge as robust quasi-one-dimensional filaments at geometric nodes where sublattice symmetry is restored.