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.
By employing high magnetic fields and an NMR protocol tailored to electronic inhomogeneity, this study reveals that singular, quantum-critical spin fluctuations persist in the overdoped strange-metal phase of La2-xSrxCuO4 (x=0.25) due to spatially inhomogeneous nanoscale electronic states, challenging the conventional view that such fluctuations are confined to the spin-stripe critical doping.
This paper demonstrates that crystalline antiunitary symmetry in fourfold rotational altermagnets naturally enforces specific pairing structures that generate robust nodal topological superconductivity, including Majorana flat bands and chiral edge states, which persist even after the symmetry is spontaneously broken.
Using time-resolved resonant inelastic x-ray scattering, researchers observed that near-infrared light induces a metastable state in SrCuO where equilibrium charge order partially melts and gives rise to a gapless, itinerant collective excitation, offering a new platform to investigate light-induced pairing instabilities.
This paper theoretically demonstrates that Josephson junctions incorporating ultra-thin films of the rare-earth intermetallic magnet exhibit a significant anomalous phase shift and a tunable superconducting diode effect, offering promising prospects for superconducting memory and logic applications.
This paper argues that the Meissner effect does not require a radial charge flow, as the experimental reality of persistent currents arising from angular momentum quantization cannot be explained by the Lorentz force mechanism proposed by alternative theories.
This paper characterizes the BCS-BEC crossover in harmonically confined one-dimensional Fermi-Hubbard chains by combining DMRG simulations with effective-pairing theory to reveal how spatial confinement reshapes correlation patterns, leading to coexisting insulating and superfluid regions distinguishable via conditioned correlation functions.
This paper demonstrates that the proposed method of reconstructing the Schrödinger wave function from a discrete superposition of real classical action branches fails in classically forbidden regions and for global phase phenomena, as these quantum effects fundamentally require non-vanishing quantum potentials, complex-valued actions, or global boundary conditions that local real classical trajectories cannot provide.
This study identifies the nonsymmorphic compound PtPb4 as a robust platform for topological superconductivity, demonstrating spontaneous rotational symmetry breaking and the presence of nontrivial zero-energy modes consistent with Majorana bound states.
This paper reports that in the self-consistent renormalization theory of two-dimensional antiferromagnetic spin fluctuations at a quantum critical point, the mode-mode coupling constant serves as a critical threshold distinguishing between Curie-law and non-Curie-law temperature dependencies of the staggered spin susceptibility.
This study reports the discovery of pressure-induced unconventional superconductivity with a maximum critical temperature of 4 K in UAs2, which emerges alongside strange-metal behavior and exhibits a robust upper critical field far exceeding the Pauli limit, suggesting a quantum critical origin involving 5f-band electrons.