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.
Using wide-field quantum microscopy, this study reveals that the superconducting transition temperature of optimally doped Bi-2223 single crystals remains robust up to 23 GPa in KBr but vanishes above 11 GPa in cBN, demonstrating the material's extreme sensitivity to the hydrostaticity of the pressure-transmitting medium.
This study demonstrates that reducing the pulse duration in YBCO bridges from milliseconds to nanoseconds significantly increases the onset current for oxygen electromigration by lowering local temperatures, thereby shifting the process toward an athermal regime with important implications for memristor operation and thermomagnetic stability.
Using an advanced functional renormalization group approach that resolves full frequency dependence and self-energy feedback, this study systematically analyzes the Hubbard-Holstein model to reveal how self-energy effects enhance -wave superconductivity at high phonon frequencies while causing a breakdown of Migdal-Eliashberg theory and a reduction of -wave superconductivity at low frequencies, thereby clarifying the complex interplay of intertwined fluctuations and isotope effects.
This study identifies that Pr doping at the Ba site in YBCO7 induces a specific lattice breathing-mode distortion that pins charge-stripe walls to dopant columns, thereby stabilizing three-dimensional charge order through targeted ionic substitution.
Using unbiased simulations of interacting hardcore bosons on a ladder, this study demonstrates that photoirradiation can melt phase-reversed charge stripes to enhance superfluidity and condensate fraction, offering a strategy to engineer time-dependent perturbations that release suppressed orders in unconventional superconductors.
This study reveals that twisted bilayer MoTe hosts an intervalley superconducting phase emerging from a non-Abelian fractional spin Hall insulator, driven by the condensation of charge- non-Abelian anyons and supported by both exact diagonalization and field-theoretic analyses.
This paper reports the achievement of a record ambient-pressure superconducting transition temperature of 151 K in HgBa2Ca2Cu3O8+{\delta} by utilizing a novel pressure-quench protocol to stabilize pressure-induced superconducting states at ambient conditions.
This review summarizes recent advances in using scanning tunneling microscopy and spectroscopy to characterize two-dimensional unconventional superconductors, with a focus on high-temperature superconducting planes, pair-density waves, and topological superconductivity in both artificial heterostructures and intrinsic materials.
This paper reports the experimental realization of a low-frequency transmon qubit that achieves a 100-fold suppression of charge-induced errors through Cooper-pair parity protection, enabling coherent control and single-shot readout while identifying flux noise as the primary remaining limitation to coherence.
This paper investigates universal thermalization induced by Trotterization in the reduced-BCS model, revealing a distinct "Trotter transition" at a critical time step that separates weakly chaotic dynamics from a regime of short temporal correlations characterized by specific scaling laws.