Translational symmetry breaking in the electronic nematic phase of BaFe2As2The microscopic origin of the nematicity, namely, four-fold rotational symmetry breaking in iron-based superconductors has been controversial since its discovery. In particular, its relationship with…K. Koshiishi, L. Liu, K. Okazaki et al.·Dec 2, 2025SaveLearn
Simulation-Based Inference of Ginzburg--Landau Parameters in Type--1.5 SuperconductorsInferring microscopic couplings in multi-component superconductors directly from vortex configurations is a challenging inverse problem. In Type-1.5 systems, Time-Dependent Ginzburg-Landau (TDGL)…Jung-Shen Kao·Dec 2, 2025SaveLearn
Spectral Bifurcation and Anomalous Supercurrent in Dissipative Topological Insulator-based Josephson JunctionsThe interplay between topological protection and dissipation constitutes a critical frontier in the realization of hybrid quantum devices. Here, we investigate the transport signatures in a…Ardamon Sten, Paramita Dutta, Sudeep Kumar Ghosh·Dec 2, 2025SaveLearn
Collapse of the superconducting order parameter in Ising superconductors with Rashba spin-orbit couplingIsing superconductors have attracted quite some attention recently, due to their resilience against magnetic fields way beyond the Pauli-paramagnetic limit. Their protection against external magnetic…J. S. Harms, M. Hein, W. Belzig·Dec 1, 2025SaveLearn
Third-harmonic generation in superconductors: Role of quantum geometry in the competition between Higgs mode and quasiparticlesCollective modes in superconductors, such as the Higgs mode, offer deep insights into the nature of condensates. Third-harmonic generation (THG) is a primary tool for probing the Higgs mode, but its…Chang-geun Oh, Haruki Watanabe, Naoto Tsuji·Dec 1, 2025SaveLearn
Josephson scanning tunneling spectroscopy in superconducting phases coexisting with pair-, charge- and spin-density-wavesWe demonstrate that the recent observations of spatial oscillations in the energy position of the superconducting coherence peaks in the cuprate, transition metal dichalcogenide, iron-based and…Alyson Laskowski, Jasmin Bedow, Dirk K. Morr·Dec 1, 2025SaveLearn
Admittance and critical current of nonreciprocal Josephson junctionsWe investigate the nonequilibrium current response in diffusive superconductor-normal-metal-superconductor junctions subjected to a low-frequency AC voltage. Using a kinetic description based on the…Tony Liu, Alex Levchenko·Dec 1, 2025SaveLearn
Fabrication and Properties of NbN/NbNx/NbN and Nb/NbNx/Nb Josephson JunctionsIncreasing integration scale of superconductor electronics (SCE) requires employing kinetic inductors and self-shunted Josephson junctions (JJs) for miniaturizing inductors and JJs. We have been…Sergey K. Tolpygo, Ravi Rastogi, David Kim et al.·Dec 1, 2025SaveLearn
Distinct Modulation Behavior of Superconducting Coherence Peaks Associated with Sign-Reversal Gaps in FeTe0.55Se0.45Using high-resolution scanning tunneling microscopy, we reveal two distinct types of superconducting (SC) gap modulations in bulk superconductor FeTe0.55Se0.45. By analyzing the phase…Zhiyong Hou, Zhiyuan Shang, Wen Duan et al.·Dec 1, 2025SaveLearn
Manipulating fractional Shapiro steps in twisted cuprate Josephson junctionsHigh-quality Josephson junctions made of twisted cuprate superconductors offer unprecedented opportunities in addressing fundamental problems and realizing next-generation superconducting devices…Yuying Zhu, Heng Wang, Ding Zhang et al.·Dec 1, 2025SaveLearn
Unusual electronic ordering in the pseudogap phase of underdoped cuprate superconductorsThe pseudogap phase of the underdoped cuprate superconductors harbours diverse manifestations of different ordered electronic-states, and then these ordered electronic-states coexist or compete with…Xiang Li, Minghuan Zeng, Yu Lan et al.·Dec 1, 2025SaveLearn
Questioning the cuprate paradigm -- absence of superfluid density loss in several overdoped cuprates IIt is long established that overdoped cuprate superconductors experience a loss of superfluid density (SFD) with increasing doping, p, along with the decline in Tc. Such behavior is unconventional…J. L. Tallon, J. G. Storey, J. W. Loram et al.·Dec 1, 2025SaveLearn
Observation of individual vortex penetration in a coplanar superconducting resonatorWe demonstrate the microwave signatures of individual Abrikosov-vortex penetration events in superconducting microwave resonators. λ/4 resonators with a narrowed region near the grounded end acting…Kirill Shulga, Shunsuke Nishimura, Pavel A. Volkov et al.·Nov 30, 2025SaveLearn
Fast track to the overdoped regime of superconducting YBa2Cu3O7-δ thin films via electrochemical oxidationHigh temperature superconductors, especially YBa2Cu3O7-δ (YBCO), are considered a key enabling technology towards a clean energy future. Hole doping in YBCO is a prerequisite for the…Alexander Stangl, Aiswarya Kethamkuzhi, Hervé Roussel et al.·Nov 30, 2025SaveLearn
Nonlocal Josephson diode effect in minimal Kitaev chainsWe study the emergence of the nonlocal Josephson effect in a system composed of three laterally coupled minimal Kitaev chains and exploit it to realize the nonlocal Josephson diode effect. We find…Jorge Cayao, Masatoshi Sato·Nov 29, 2025SaveLearn
Theory of planar quasi-ballistic Josephson junctionsWe develop a theoretical framework for planar quasi-ballistic Josephson junctions, where multiple superconducting leads are coupled through a large, nearly ballistic normal metal crystal. Our…G. A. Bobkov, I. V. Bobkova, A. M. Bobkov et al.·Nov 29, 2025SaveLearn
Multiterminal Ballistic Josephson Effect in Monocrystalline GoldWe report on the realization of a planar, quasi-ballistic Josephson junction array using a Au micron-sized single-crystal. The system exhibits a nonlocal, multiterminal Josephson effect, where the…K. B. Polevoy, G. A. Bobkov, D. S. Kalashnikov et al.·Nov 29, 2025SaveLearn
Dual instability of superconductivity from oxygen defects in La3Ni2O7+δWe uncover a dual mechanism by which oxygen defects suppress superconductivity in the bilayer nickelate La3Ni2O7+δ using density functional theory, dynamical mean-field theory, and…Peiheng Jiang, Jie Li, Yu-Han Cao et al.·Nov 29, 2025SaveLearn
Plasmon excitations and their attenuation in dirty superconductorsWe develop a theory for the plasmon spectrum in dirty superconductors across the entire temperature range. Starting with the microscopic Keldysh sigma model description, we link the plasmon…Daniil K. Karuzin, Mikhail A. Skvortsov·Nov 28, 2025SaveLearn
Nonequilibrium Quasiparticle Dynamics in a MoRe-Based Superconducting Resonator under IR ExcitationThe response of a MoRe-based superconducting resonator operating near 5 K to pulsed infrared irradiation is investigated, and the underlying physical mechanisms are analyzed. The device exhibits a…O. A. Kalenyuk, S. I. Futimsky, I. A. Martynenko et al.·Nov 28, 2025SaveLearn
Purely even harmonic Josephson current due to crossed pair transmission across strongly spin-polarized materialsWe revisit the problem of the second harmonic generation in the current-phase relation across ferromagnetic bilayers placed between BCS superconductors. In particular, we consider a strongly…Niklas L. Schulz, Danilo Nikolić, Matthias Eschrig·Nov 28, 2025SaveLearn
Coherent subgap transport in spin-split Josephson junctionsWe report the first experimental observation of subgap transport in ferromagnetic insulator/superconductor/insulator/superconductor junctions realized in EuS/Al/AlOx/Al vertical stacks. Differential…David Caldevilla-Asenjo, Gorm Ole Steffensen, Sara Catalano et al.·Nov 28, 2025SaveLearn
Coexistence of near-EF van Hove singularity and in-gap topological Dirac surface states in superconducting electridesSuperconducting electrides have attracted growing attention for their potential to achieve high superconducting transition temperatures (TC) under pressure. However, many known electrides are…Yin Yang, Peihan Sun, Ye Shen et al.·Nov 28, 2025SaveLearn
Machine-Learned Interatomic Potentials for Structural and Defect Properties of YBa2Cu3O7-δHigh-Temperature Superconductors (HTS) such as YBa2Cu3O7-delta (YBCO) are essential for next-generation Tokamak fusion reactors, where Rare-Earth Barium Copper Oxides (REBCO) form the functional…Niccolò Di Eugenio, Ashley Dickson, Flyura Djurabekova et al.·Nov 27, 2025SaveLearn
Correlations between superconducting and resistive anisotropiesThere are multiple possible origins of transport anisotropies in metals and superconductors. For instance, rotational symmetry can be spontaneously broken in the normal state as a result of…Sayan Banerjee, Harley D. Scammell, Mathias S. Scheurer·Nov 27, 2025SaveLearn