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 derives a linearized Ginzburg-Landau equation for curved ultra-thin superconducting films to reveal a superconducting geometric potential that enhances superconductivity and raises the critical temperature, a phenomenon validated numerically and proposed for experimental verification using ultracold atomic condensates.
Using neutron spectroscopy on electron-doped , the study reveals that defects in as-grown crystals suppress both superconductivity and low-energy spin waves by creating a large spin pseudogap, which is significantly reduced upon annealing to remove these defects.
This study reports the successful synthesis of a novel bismuth dihydride superconductor, Cmcm-BiH, at high pressures, which exhibits a critical temperature of approximately 62 K at 163 GPa and features a unique open-channel framework where the bismuth host structure, rather than hydrogen, plays the dominant role in driving superconductivity.
This study demonstrates that type-II time-reversal-symmetric Weyl semimetals can host a self-consistent hybrid -wave and -wave superconducting state, where surface Fermi-arc configurations dictate spatial pairing dominance and give rise to second-order topological superconductivity with hinge states.
This study utilizes high-resolution transmission electron energy-loss spectroscopy on Bi-2212 to demonstrate that the strange metal's charge response at large momenta is an incoherent, non-dispersing continuum, thereby resolving decades of conflicting results by refuting the existence of RPA-like plasmons in favor of strongly damped excitations.
This paper presents a topology optimization framework based on time-dependent Ginzburg-Landau theory under the Weyl gauge to inversely design the structural geometries of type-II superconductors with superconductor-dielectric/vacuum interfaces, aiming to enhance flux pinning and current density through optimal defect placement.
This study demonstrates that copper-oxide high-temperature superconductors exhibit a zero-field superconducting diode effect indicative of intrinsic time-reversal symmetry breaking, thereby challenging theoretical models that rely on time-reversal-symmetric mechanisms.
This study demonstrates that high-pressure synthesis stabilizes an insulating cubic MgIrH phase coexisting with a hexagonal hydride, confirming theoretical predictions and suggesting that non-equilibrium processing of these structurally similar phases could enable the realization of the predicted high-Tc superconductivity in MgIrH.
Using spectroscopic-imaging scanning tunneling microscopy on epitaxial Ca(Fe1-xCox)2As2 thin films, researchers identified an intrinsic, unidirectional charge-stripe order in underdoped iron pnictides that serves as an intermediate electronic phase between nematicity and superconductivity, suggesting charge ordering as a unifying mechanism across high-temperature superconductors.
Guided by first-principles calculations, this study reports the synthesis and characterization of the ternary perovskite hydride SrPdH as a low-pressure superconductor with an onset transition temperature of approximately 2.2 K, where the observed inverse isotope effect between hydrogen and deuterium variants is attributed to quantum zero-point fluctuations.