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.

Coincidence detection techniques for direct measurement of many-body correlations in strongly correlated electron systems

This perspective article discusses theoretically proposed coincidence detection techniques designed to directly measure two-body correlations in strongly correlated electron systems, highlighting their potential to unravel fundamental puzzles such as unconventional superconductivity and quantum spin liquids while advancing the study of novel quantum phenomena.

Yuehua Su, Guoya Zhang, Chao Zhang, Dezhong Cao2026-03-31🔬 cond-mat

Low-temperature anomaly and anisotropy of critical magnetic fields in transition-metal dichalcogenide superconductors

This paper explains how the interplay between Zeeman fields and Ising spin-orbit coupling generates stabilizing even-frequency spin-triplet pairs that counteract destabilizing odd-frequency pairs, thereby enabling spin-singlet superconductivity in monolayer transition-metal dichalcogenides to persist beyond the Pauli limit and exhibit magnetic field anisotropy.

Tomoya Sano, Kota Tabata, Akihiro Sasaki, Yasuhiro Asano2026-03-31🔬 cond-mat

Tunable anharmonicity in Sn-InAs nanowire transmons beyond the short junction limit

This paper demonstrates that Sn-InAs nanowire transmons exhibit gate-tunable anharmonicity ranging from the charging energy EcE_c down to values smaller than Ec/10E_c/10, a behavior that surpasses the short-junction model's lower limit while maintaining coherent qubit operation.

Amrita Purkayastha, Amritesh Sharma, Param J. Patel, An-Hsi Chen, Connor P. Dempsey, Shreyas Asodekar, Subhayan Sinha, Maxime Tomasian, Mihir Pendharkar, Christopher J. Palmstrøm, Moïra Hocevar, Kun Z (…)2026-03-31🔬 cond-mat.mes-hall

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

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

Contrasting Spin Excitations in Octahedral and Square-Planar n=8 Ruddlesden-Popper Nickelates

Using Ni L3L_3-edge resonant inelastic x-ray scattering, this study reveals fundamental differences in spin excitations between non-superconducting octahedral Nd9_9Ni8_8O25_{25}, which exhibits a spin-density-wave ground state with dispersive paramagnons, and its superconducting square-planar counterpart Nd9_9Ni8_8O18_{18}, which displays dispersionless magnetic excitations and a distinct elastic peak.

K. Scott, H. LaBollita, G. A. Pan, X. Yang, A. Kar, C. Lim, A. Thorshov, D. Ferenc Segedin, C. M. Brooks, F. Yakhou-Harris, K. Kummer, N. B. Brookes, F. Boschini, A. Frano, J. A. Mundy, E. H. da Silva (…)2026-03-30🔬 cond-mat