848 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 argues that the Meissner effect demonstrates an outward flow of a chargeless, massless fluid carrying effective mass, thereby supporting the unconventional theory of hole superconductivity while challenging the conventional 60-year-old understanding for its failure to account for Alfvén's theorem.
Using ultrafast coherent phonon spectroscopy, this study reveals that robust charge density wave fluctuations persist well beyond the long-range order phase boundary in hole-doped CsVSbSn, peaking near a quantum phase transition that coincides with a local minimum in superconductivity, suggesting these fluctuations play a central role in the material's electronic phase diagram.
This paper contrasts the conventional emergent explanation of the Meissner effect with a reductionist alternative proposing radial charge motion to resolve momentum conservation issues, arguing that resolving this debate is critical for understanding superconductivity mechanisms and discovering higher-temperature materials.
Using real-space quantum Monte Carlo simulations, this study demonstrates that resonating-valence-bond pairing in graphene is geometry-driven, emerging only in finite-gap systems where the sample length satisfies specific symmetry conditions, with a predicted pairing energy of approximately 0.48 mHa/atom at the thermodynamic limit.
This paper introduces Noise Tailoring, a strategy that statistically modifies two-qubit gate noise to significantly boost error mitigation accuracy in simulations, while also proposing its use on real hardware to diagnose non-ideal error sources and guide future development.
This study utilizes Scanning Tunneling Microscopy to characterize nitridized aluminum thin films, revealing a spatially homogeneous superconducting gap larger than that of pure aluminum and demonstrating STM's effectiveness as a screening tool for quantum device materials.
This paper theoretically demonstrates that in voltage-biased asymmetric NSN junctions, lead-coupling asymmetry and impurity scattering suppress the fragile nonequilibrium FFLO state while splitting the robust nonequilibrium BCS phase into distinct regimes characterized by chemical-potential imbalance, bistability, and phase transitions.
This study reports the discovery of a pressure-induced M-shaped double-dome superconducting phase in honeycomb-lattice KZnBi, where the superconducting transition temperature reaches a maximum of 8 K following a structural phase transition and an electronic transition to a strong topological semimetal state.
This paper proposes a unified paradigm for fabricating superconducting materials under near-ambient conditions using room-temperature liquid metals as dynamic, multifunctional media, offering a versatile, energy-efficient route to diverse superconducting forms while enabling new fundamental studies and data-driven design.
First-principles calculations predict that hydrogenating a hexagonal BC monolayer to form H-BC and H-BC induces metallization of bands, resulting in high-temperature superconductivity with critical temperatures reaching 87 K at ambient pressure.