cond-mat.supr-con 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.

Bulk-dissociated topological bands without spin-orbit coupling in hetero-dimensional superconducting metamaterials

This paper theoretically demonstrates that a square superconducting network decorated with spin-polarized magnetic adatoms can host a bulk-dissociated topological superconducting phase with unique features like nodal lines and co-existing edge and corner modes, achieved through geometric design without the need for spin-orbit coupling.

Joseph J. Cuozzo, Sayed A. A. Ghorashi, Dale Huber, Wei Pan, François Léonard2026-04-13🔬 cond-mat

Pressure-Induced Superconducting-like Transition in the $\it d$ -wave Altermagnet Candidate CsV $_2$ Se $_2$ O

This study demonstrates that applying hydrostatic pressure to the $d$ -wave altermagnet candidate CsV $_2$ Se $_2$ O suppresses its weakly insulating parent state and induces a reproducible, field-sensitive superconducting-like transition below 3 K, suggesting a potential link between altermagnetism and unconventional superconductivity.

Yuanzhe Li, Yilin Han, Liu Yang, Wanli He, Pengda Ye, Wencheng Huang, Jiabin Qiao, Yuemei Li, Xiaodong Sun, Tingli He, Jiayi Han, Yuxiang Chen, Ruifeng Tian, Hao Sun, Yuwei Liu, Feng Wu, Baoshan Song (…)2026-04-13🔬 cond-mat.mtrl-sci

High-temperature superconductivity in Nd $_{0.85}$ Sr $_{0.15}$ NiO $_2$ membranes under pressure

By incorporating freestanding infinite-layer Nd $_{0.85}$ Sr $_{0.15}$ NiO $_2$ membranes into a diamond anvil cell, researchers demonstrated that hydrostatic pressure induces a strong, linear increase in superconducting transition temperature up to ~90 GPa without saturation, reaching near liquid nitrogen temperatures.

Yonghun Lee, Mengnan Wang, Xin Wei, Yijun Yu, Wendy L. Mao, Yu Lin, Harold Y. Hwang2026-04-13🔬 cond-mat.mtrl-sci

Spectral solution of axisymmetric magnetization problems for thin superconducting shells

This paper introduces an accurate and efficient spectral method based on Chebyshev polynomial expansions and the method of lines to solve axisymmetric magnetization problems in non-flat thin type-II superconducting shells, providing benchmark solutions for general numerical approaches.

Leonid Prigozhin, Vladimir Sokolovsky2026-04-10🔬 cond-mat

Orbital-Selective $d$ -wave Superconductivity in the Two-Band $t$ - $J$ Model: Possible Applications to La $_3$ Ni $_2$ O $_7$

Using variational Monte Carlo simulations on a two-band $t$ - $J$ model motivated by La $_3$ Ni $_2$ O $_7$ , the study reveals that a robust orbital-selective $d$ -wave superconducting state emerges exclusively from the itinerant orbital, while the quasi-localized orbital suppresses superconductivity by forming competing local bound states, suggesting that enhancing $T_c$ requires minimizing the involvement of localized $d_{z^2}$ orbitals.

Zhan Wang, Kun Jiang, Fu-Chun Zhang, Hui-Ke Jin2026-04-10🔬 cond-mat

Three-Dimensional Electronic Structures in Superconducting Ruddlesden-Popper Bilayer Nickelate Films

Using angle-resolved photoemission spectroscopy on superconducting Ruddlesden-Popper bilayer nickelate films, researchers revealed an orbital-dependent three-dimensional electronic structure where the $d_{z^2}$ band exhibits finite $k_z$ dispersion and a large superconducting gap, highlighting the critical role of three-dimensionality and strong electron correlations in the superconducting mechanism.

Yueying Li, Lizhi Xu, Wei Lv, Zihao Nie, Zechao Wang, Yu Miao, Jianchang Shen, Guangdi Zhou, Wenhua Song, Heng Wang, Haoliang Huang, Junfeng He, Jin-Feng Jia, Peng Li, Qi-Kun Xue, Zhuoyu Chen2026-04-10🔬 cond-mat

Strong enhancements to superconducting properties of 1D systems from metallic reservoirs

This study demonstrates that coupling a one-dimensional superconducting layer to a metallic reservoir significantly enhances superconducting properties by boosting effective pairing strength and mediating long-range pair correlations, thereby enabling the system to approach long-range superconducting order.

J. E. Ebot, Sam Mardazad, Lorenzo Pizzino, Johannes S. Hofmann, Thierry Giamarchi, Adrian Kantian2026-04-09🔬 cond-mat

Interplay between Superconductivity and Altermagnetism in Disordered Materials and Heterostructures

This paper utilizes quantum kinetic and quasiclassical theories to demonstrate that the interplay between superconductivity and altermagnetism in disordered systems generates competing magnetoelectric effects and proximity-induced magnetization, leading to novel phenomena such as spin-texture induction and $0$- $\pi$ transitions in Josephson junctions.

Rodrigo de las Heras, Tim Kokkeler, Stefan Ilić, Ilya V. Tokatly, F. Sebastian Bergeret2026-04-09🔬 cond-mat.mes-hall

Directional Andreev-Reflection Signatures of Inter-Orbital Pairing in Sr $_2$ RuO $_4$

This paper reports a reversal of the expected directional Andreev-reflection signatures in Sr $_2$ RuO $_4$ , where pronounced in-gap bound states appear on out-of-plane surfaces rather than in-plane edges, a phenomenon attributed to inter-orbital pairing that offers new constraints on the material's superconducting order parameter.

G. Csire, Y. Fukaya, M. Cuoco, Y. Tanaka, R. K. Kremer, A. S. Gibbs, G. A. Ummarino, D. Daghero, R. S. Gonnelli2026-04-09🔬 cond-mat.mes-hall

High-temperature superconductivity induced by the Su-Schrieffer-Heeger electron-phonon coupling

Through numerically-exact quantum Monte Carlo simulations, this study demonstrates that the Su-Schrieffer-Heeger electron-phonon coupling model induces significantly higher superconducting critical temperatures than the Holstein model, particularly in strong coupling regimes, by simultaneously enhancing electron pairing and Cooper pair phase coherence.

Xun Cai, Zi-Xiang Li, Hong Yao2026-04-08🔬 cond-mat

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