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 demonstrates that $SISIS$-structured superconducting films with nonsuperconducting layers exhibit commensurate resonances arising from spatially localized quantum states, which enhance the superconducting gap to three to four times its bulk value in materials like bismuth with large mean free paths.
This paper reviews early experimental attempts to observe Macroscopic Quantum Tunneling in low-capacitance Niobium point contacts within rf SQUID configurations at Leiden University between 1979 and 1980, predating the conclusive 1985 evidence by Clarke, Devoret, and Martinis.
Using terahertz Faraday magneto-optical spectroscopy, researchers directly resolved the helicity and band origin of quantized Caroli-de Gennes-Matricon states in multiband FeTeSe superconductors, enabling the independent determination of quasiparticle lifetimes and other key parameters while providing dynamical evidence for multiband vortex-core excitations.
This study establishes a unified framework demonstrating that while intrinsic quantum confinement induces marginal superconductivity in atomically thin Cu and Au films, strategic interface engineering in h-BN/Cu(111) heterostructures can dramatically enhance the critical temperature to 7.00 K by triggering a B-bonded-induced Lifshitz transition that significantly boosts electron-phonon coupling.
This study achieves controllable bipolar doping in infinite-layer cuprate thin films, revealing a hole-doped superconducting phase with a transition temperature exceeding 60 K that coexists with antiferromagnetic order, thereby establishing a definitive platform to investigate the intrinsic mechanism of high-temperature superconductivity.
This paper proposes that mobile topological defects with a dual identity as both fractional vortices and crystalline dislocations serve as the primary mechanism for resistive switching and anisotropic transport in pure pair density wave states, offering a distinct experimental signature to confirm this intertwined order.
This paper investigates the orbital angular momentum of two-dimensional chiral superfluids with multiply quantized vortices using Bogoliubov-de Gennes theory, revealing that while the angular momentum follows a universal formula in the BEC regime, it is significantly suppressed in the BCS regime due to spectral asymmetry and unpaired fermions, with the degree of reduction depending on the specific pairing symmetry and vortex vorticity.
This paper theoretically demonstrates that non-circular Corbino Josephson junctions on topological insulators exhibit reentrant superconductivity with a period halved in the topological case compared to the trivial one, offering a potential signature for detecting topological superconductivity.
This paper proposes and numerically demonstrates that Andreev spin qubits can be realized and manipulated via microwave-induced electric dipole transitions in magnetically doped, proximized topological insulator Josephson junctions, enabling the execution of quantum logic gates without external Zeeman fields or ancillary states.
This paper proposes that microwave irradiation can induce a tunable superconducting diode effect in Josephson junctions by breaking both particle-hole and inversion symmetries, leading to asymmetric critical currents and potentially perfect rectification, a phenomenon achievable even without Yu-Shiba-Rusinov states as long as these symmetry-breaking conditions are met.