833 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 investigates the crossover from homogeneous to percolative behavior in two-dimensional granular aluminum films by analyzing temperature and magnetic field dependencies of sheet resistance, revealing an anomalous temperature-dependent diffusion constant and a scaling law for magnetoconductance that characterize the percolative transition.
This paper reveals that Fermi seas with identical Euler characteristics possess distinct fine-grained topological structures encoded by a new structural resolution factor, which can be inherited by topological superconducting phases to produce anomalous gapless boundary states at metal-superconductor interfaces.
This study characterizes the microwave surface impedance and vortex dynamics of NbSn coatings produced by vapor tin diffusion and DC magnetron sputtering under high magnetic fields, revealing that while the films exhibit distinct flux-flow resistivity and pinning regimes, their comparable surface resistances highlight the potential for optimization through parameter trade-offs.
This study combines angle-resolved photoemission spectroscopy and first-principles calculations to demonstrate that the newly discovered Kagome superconductor CsCrSb exhibits flat bands near the Fermi level and enhanced electronic correlations, leading to distinct symmetry-breaking states and a doping-dependent evolution from the V-based parent compound.
This paper introduces the "frozonium," a Floquet-engineered superconducting circuit that utilizes periodic drives to effectively freeze anharmonicity and transform a nonlinear Josephson junction into a linear bosonic oscillator with enhanced noise protection, thereby enabling new avenues for quantum memory and bosonic control.
This study provides experimental evidence for topological hinge states in the higher-order topological insulator WTe by observing the absence of the first Shapiro step in Al-WTe-Al Josephson junctions, a signature attributed to a 4-periodic current-phase relationship that supports the pursuit of Majorana zero modes and topological quantum applications.
This paper presents a resonator-free experimental method using a two-pulse technique to measure the relaxation, decoherence, and Rabi oscillations of a superconducting transmon qubit coupled to an open waveguide, demonstrating consistency with frequency-domain measurements.
This paper employs a renormalized Ginzburg-Landau theory within the Keldysh functional formalism to demonstrate that while electron interactions suppress the transition temperature and tricritical point in a dirty two-dimensional superconductor with Rashba spin-orbit coupling, the superconducting diode effect remains robust in the high-transition-temperature regime.
This paper derives low-temperature scaling laws for the superfluid weight and other key experimental observables in two-dimensional flat-band superconductors with isolated bands, specifically accounting for unconventional pairing symmetries with point or line nodes to provide discriminants for identifying underlying pairing mechanisms.
This paper demonstrates that magnetic noise spectroscopy using a proximate single spin qubit serves as a powerful, non-invasive probe to quantitatively characterize superconducting dynamics in a magnetic field, successfully distinguishing between critical pairing fluctuations and various vortex phases while extracting key physical parameters like oscillation frequencies and diffusivity.