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.

Comparison of Origins of Re-Entrant Supercurrents at High In-Plane Magnetic Fields in Planar InAs-Al Josephson Junctions

This study investigates re-entrant supercurrents in planar InAs-Al Josephson junctions under high in-plane magnetic fields, demonstrating that while some features align with topological or 0-π\pi transitions, they can also be fully explained by disorder-induced mode interference without invoking Zeeman splitting or topology.

S. R. Mudi, S. Anupam, V. Mourik, S. M. Frolov2026-03-31🔬 cond-mat.mes-hall

Pattern of the Tc(p) dependence with huge "anomaly 1/8" - in new property observed in La2-xBaxCuO4 and YBa2Cu3O6+delta at room temperature

This paper reports that the hydration-induced weight changes in La2-xBaxCuO4 and YBa2Cu3O6+delta at room temperature replicate the characteristic dome-shaped Tc(p) dependence and the "1/8 anomaly" typically observed at low temperatures, suggesting a novel room-temperature manifestation of high-temperature superconductor properties.

A. V. Fetisov2026-03-31🔬 cond-mat

Loop Current Order on the Kagome Lattice

Using unbiased functional renormalization group calculations on a spinless kagome lattice with nonlocal interactions, this study identifies a 2×22\times2 loop current order as the ground state driven by sublattice interference and strong second nearest-neighbor repulsion, which leads to a quantum anomalous Hall state and offers a theoretical explanation for time-reversal symmetry breaking in kagome materials.

Jun Zhan, Hendrik Hohmann, Matteo Dürrnagel, Ruiqing Fu, Sen Zhou, Ziqiang Wang, Ronny Thomale, Xianxin Wu, Jiangping Hu2026-03-30🔬 cond-mat

Stabilizing and Tuning Superconductivity in La3_3Ni2_2O7δ_{7-δ} Films: Oxygen Recycling Protocol Reveals Hole-Doping Analogue

This paper introduces an oxygen recycling protocol involving precursor deoxygenation and ozone-assisted annealing to stabilize and tune superconductivity in La3_3Ni2_2O7δ_{7-δ} films, revealing that oxygen addition serves as an effective analogue to hole doping via Sr substitution.

Lifen Xiang, Siyi Lei, Xiaolin Ren, Ziao Han, Zijian Xu, X. J. Zhou, Zhihai Zhu2026-03-30🔬 cond-mat

High magnetic field response of superconductivity dome in quantum artificial High Tc superlattices with variable geometry

This paper reports high-field magneto-transport measurements up to 41 Tesla on quantum artificial high-Tc superlattices, revealing universal upward-concave upper critical field behavior across the superconducting dome that provides strong evidence for two-band superconductivity and demonstrates that atomic-scale geometric engineering controls both critical temperature and intrinsic pair size.

Gaetano Campi, Andrea Alimenti, Sang-Eon Lee, Luis Balicas, Fedor F. Balakirev, G. Alexander Smith, Gennady Logvenov, Antonio Bianconi2026-03-30⚛️ quant-ph

Spin-fluctuation-mediated chiral $d+id'$-wave superconductivity in the α\alpha-T3\mathcal{T}_3 lattice with an incipient flat band

This paper demonstrates that in a nearly quarter-filled α\alpha-T3\mathcal{T}_3 lattice with an incipient flat band, spin fluctuations mediated by repulsive interactions drive a chiral $d+id'$-wave superconducting state with a Chern number of 8, while an extended Hubbard model with off-site attraction also yields distinct chiral $d+id'$ phases.

Masataka Kakoi, Kazuhiko Kuroki2026-03-30🔬 cond-mat

Electronic structure theory of H3_{3}S: Plane-wave-like valence states, density-of-states peak and its guaranteed proximity to the Fermi level

This paper elucidates the mechanism behind the high transition temperature in sulfur superhydride H3_{3}S by demonstrating that its valence states are plane-wave-like, leading to a density-of-states peak near the Fermi level through the hybridization of specific plane waves driven by the adjacency of Jones' large zone to the Fermi surface.

Ryosuke Akashi2026-03-30🔬 cond-mat.mtrl-sci

Imaging the Meissner effect and local superfluid stiffness in a graphene superconductor

This paper reports the direct imaging of the Meissner effect and local superfluid stiffness in a rhombohedral graphene superconductor, revealing that superconductivity emerges within a canted spin ferromagnetic phase and exhibits a temperature-dependent stiffness and zero-temperature scaling incompatible with standard BCS theory.

Ruoxi Zhang, Benjamin A. Foutty, Owen Sheekey, Trevor Arp, Siyuan Xu, Tian Xie, Yi Guo, Hari Stoyanov, Sherlock Gu, Aidan Keough, Evgeny Redekop, Canxun Zhang, Takashi Taniguchi, Kenji Watanabe, Marti (…)2026-03-30🔬 cond-mat