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 paper presents an exact single-scale outer solution for the Abrikosov vortex in the extreme type-II limit, demonstrating that both magnetic field and superconducting density vary on the London penetration depth scale, thereby invalidating the conventional two-length-scale picture of the vortex.
This paper demonstrates that in multi-band superconductors with flat low-energy bands, quantum geometry provides the dominant contribution to the Lifshitz invariant, thereby driving time-reversal symmetry-breaking phenomena such as helical superconductivity, the diode effect, and commensurate-incommensurate transitions in charge and pair density waves.
This study investigates the steady-state and microsecond-scale time-resolved transition dynamics of rare earth barium copper oxide (REBCO) high-temperature superconductors under strong radio-frequency magnetic fields using a specialized hemispherical cavity, aiming to inform the design of high-power devices for applications like particle accelerators and dark matter searches.
This paper employs a renormalization group analysis to demonstrate that repulsive density-density interactions in the polarized quarter-metal phase of chirally stacked graphene heterostructures can induce a chiral, odd-parity pair density wave superconducting state, offering a theoretical explanation for experimentally observed superconductivity near this regime.
This study demonstrates that disorder in two-dimensional d-wave altermagnetic Josephson junctions can induce phase transitions between exotic and conventional 0 phases while destabilizing the anomalous phase, thereby revealing disorder as a critical factor in tailoring the superconducting properties of these systems.
Using plasmonic microwave spectroscopy on amorphous indium oxide films, this study reveals that a pinned vortex glass exhibits an anomalously slow, logarithmic decay of superfluid density driven by collective pinning enhanced by interactions, ultimately vanishing linearly at a continuous quantum critical point that governs the field-driven superconductor-insulator transition.
By leveraging natural polymorphism in bulk LaNiO crystals and employing ARPES, this study reveals that the universal low-energy electronic structure of multi-layered nickelates is dominated by oxygen-centered planar orbitals that evolve into Zhang-Rice singlets, which mediate spin-density wave order and dictate the competition between density-wave states and superconductivity.
This paper proposes that parametrically amplified Josephson plasma waves observed in underdoped YBCO above the critical temperature can be explained by equilibrium local pair amplitude and phase correlations within the pseudogap phase, rather than by pump-induced long-range superconducting coherence.
Using scanning tunneling microscopy and advanced theoretical modeling, this study reveals that a bulk hybrid transition-metal dichalcogenide (4Hb-TaS) hosts an emergent incommensurate potential arising from lattice mismatch between alternating 1T and 1H layers, which modulates interlayer charge transfer to drive the system toward a doped Mott regime and competes with bulk superconductivity.
This study reports the realization of a dual-mode superconducting diode effect in 2H-NbS₂/2H-NbSe₂ heterostructures, where distinct in-plane and out-of-plane magnetic fields independently manipulate the effect with different activation thresholds and temperature dependencies, enabling a novel device architecture that combines fast polarity switching with high-fidelity functionality.