First-principles calculation of coherence length and penetration depth based on density functional theory for superconductorsWe develop a first-principles framework for evaluating the fundamental length scales of superconductivity, namely the coherence length ξ0 and the magnetic penetration depth λL, within…Mitsuaki Kawamura, Takuya Nomoto, Niklas Witt et al.·Aug 6, 2026SaveLearn
Universal route towards field-free electrically polarity-reversible Josephson diodeThe realisation of superconducting diodes that operate without external magnetic fields and allow electrical control of polarity is a key goal for the integration of nonreciprocal elements into…Pramod K. Sharma, Sagnik Banerjee, Biswajit Dutta et al.·Aug 6, 2026SaveLearn
Kinetic Lifshitz invariants and dynamics of nonreciprocal fluctuations in superconductorsWe derive the generalized time-dependent Ginzburg-Landau theory of a disordered noncentrosymmetric superconductor from the Keldysh nonlinear sigma model, using a two-dimensional electron gas with…Tony Liu, Joaquim Telles de Miranda, Daniel Shaffer et al.·Aug 5, 2026SaveLearn
Nonlinear nanoelectromechanics of a movable Cooper-pair boxWe theoretically study the dynamics of a movable Cooper-pair box coupled to a normal-metal pillar using a semiclassical approach. We analyze the dynamical stability induced by the nonlinear…S. Park, A. Patra, L. Y. Gorelik et al.·Aug 5, 2026SaveLearn
In search of novel ductile superconductorsWe performed a first-principles high-throughput screening of the mechanical properties of phonon-mediated superconductors selected from the recent experimentally synthesized superconducting materials…Yiming Zhang, Samuel Poncé·Aug 5, 2026SaveLearn
Microscopic theory of the field-induced instability of the vortex-free state in superconducting thin-film stripsIn the Pearl--London theory, the edge-barrier-disappearance field of a superconducting thin-film strip depends on an arbitrary short-distance core cutoff because the vortex is treated as a point…Takayuki Kubo·Aug 5, 2026SaveLearn
Fabrication of oxide/FeSe multilayer films using the PLD techniqueIn this study, we demonstrate the successful fabrication of TiO2/FeSe/STO and TiO2/FeSe/LaAlO3 heterostructures using PLD. When the growth rates were sufficiently low, anatase TiO2, which has been…Tomoki Kobayashi, Hiroki Nakagawa, Ryo Ogawa et al.·Aug 5, 2026SaveLearn
Thermodynamic phase transition, pairing symmetry and Fermi surface topology in Ruddlesden-Popper nickelate filmsRuddlesden-Popper (RP) nickelates provide an uncharted territory to explore high-transition-temperature (high-TC) superconductivity and superconducting mechanism. Here, we investigate the…Yu Miao, Zhiwei Wang, Hongxu Sun et al.·Aug 4, 2026SaveLearn
Two-phonon pairing and superconductivity in SrTiO3We explore the possibility that the two-phonon pairing mechanism proposed by Ngai can explain superconductivity in doped strontium titanate (STO). The two-phonon deformation potential is evaluated…Antonio Santacesaria, Cristiano Muzzi, Maria Eleonora Temperini et al.·Aug 4, 2026SaveLearn
Pressure induced magnetic-field-free superconducting diode effect in NbSe2 flakeThe superconducting diode effect (SDE) is a fascinating nonreciprocal phenomenon where the critical current is different for opposite current directions. It is widely believed that realizing SDE…Shihao Zhu, Tian Le, Cuiying Pei et al.·Aug 4, 2026SaveLearn
Pressure-induced Superconductivity in Thermoelectric Semiconductor Mg3Sb2The intrinsic electronic structures of narrow bandgap thermoelectric (TE) materials serve as a platform for the investigation of coupling effects of quasi-particles under high pressure, enabling the…Cuiying Pei, Yasong Wu, Airan Li et al.·Aug 4, 2026SaveLearn
Evidence for superconductivity at 190 K in a pressure-overdoped cuprateIt is well established that the critical temperature (Tc) of cuprate superconductors can be tuned by pressure. For example, compression decouples the hole doping from chemical doping allowing for…Alexander C. Mark, Huu T. Do, David Rodriguez et al.·Aug 4, 2026SaveLearn
Correlation-renormalized spin-fluctuation pairing and the stabilization of s superconductivity in pressurized La3Ni2O7The superconducting gap symmetry of pressurized La3Ni2O7 remains unsettled because conventional weak-coupling calculations often place the system close to competing sign-changing s- and…Shuhong Tang, Liang-Jian Zou·Aug 4, 2026SaveLearn
First-Principles Quantum-Spectral framework for Elementary Vortex Pinning in superconductorsThe critical current of a type-II superconductor is controlled by vortex pinning, whose microscopic input is the elementary pinning force. Scanning tunneling spectroscopy has shown that a defect pins…Haozhe Shi, Yuncheng Xie, Tong Zhang et al.·Aug 4, 2026SaveLearn
Two-lifetime model for the cuprates revisitedSeveral models of the strange-metal state of the cuprate superconductors postulate the existence of strong inelastic forward scattering of the electrons, but direct evidence of such scattering is…František Herman, Lucia Gelenekyová, Hana Havranová et al.·Aug 4, 2026SaveLearn
Theory of Little-Parks oscillations by vortices in two-dimensional superconductorsThe Little-Parks (LP) effect is a quantum phenomenon in which the superconducting transition temperature of a superconducting cylinder (or ring) oscillates periodically as a function of the magnetic…Ying-Ming Xie, Naoto Nagaosa·Aug 4, 2026SaveLearn
Superconducting dome due to the Fano-Feshbach shape resonance in artificial high-Tc superlatticesIn this work we provide compelling experimental validation of the Bianconi Perali Valletta (BPV) theory predicting a superconducting dome based on a quantum material design of Artificial High TC…Gaetano Campi, Andrea Alimenti, Danielle Villa et al.·Aug 3, 2026SaveLearn
Composite quantum geometry of superconductorsThe interplay of superconductivity and the quantum geometry of the normal state has recently been the subject of an array of studies, especially regarding the superfluid weight. In this work, we turn…Florian Simon, Thomas Bernat, Annica M. Black-Schaffer·Aug 3, 2026SaveLearn
Screening phonon-mediated superconductors from static orbital HamiltoniansThe first-principles search for superconductors is severely limited by the high cost of electron-phonon coupling (EPC) calculations. Here we develop a low-cost, physically transparent framework that…Jian-Feng Zhang, Ze-Feng Gao, Xiao-Qi Han et al.·Aug 3, 2026SaveLearn
Emergence of Double-Dome Superconductivity in the Pressurized Dirac Semimetal BaMg2Bi2Dirac semimetal BaMg2Bi2 is reported to be a unique topological material that manifests surface superconductivity that coexistswith bulk band topology at ambient pressure. Here, we present a…Qi Wang, Juefei Wu, Cuiying Pei et al.·Aug 3, 2026SaveLearn
Superconducting ternary compounds Li-X-B (X=Mo, W) within the mild pressure range: First-principles predictionsAmong the superconducting hydrides under high pressure, a number of studies concentrate on the ternary compounds to explore unique superconductors, which are capable of reducing the stable pressure…Bangshuai Zhu, Juefei Wu, Dexi Shao et al.·Aug 3, 2026SaveLearn
Cryogenic focused-ion-beam microstructuring enabling quantitative c-axis transport measurements in Tl2Ba2CuO6+δAbsolute transport measurements in correlated quantum materials are often limited by disorder, inhomogeneity, geometric uncertainty, and small crystal size. Focused ion beam (FIB) technology offers a…Ayanesh Maiti, Carsten Putzke, Linus Holeschovsky et al.·Aug 3, 2026SaveLearn
Pressure-induced concurrent amorphization and superconductivity in topological material NbNiTe5We have systematically studied the structural and electronic properties of a topological material NbNiTe5 under high pressure. The evolution of the normal state resistance shows a non-monotonic trend…Lingxiao Zhao, Yi Zhao, Bangshuai Zhu et al.·Aug 3, 2026SaveLearn
Enhanced and robust superconductivity in La0.8Sr0.2NiO2 membranes compressed up to 210 GPaThe discovery of superconductivity in infinite-layer nickelate thin films has opened a new frontier for exploring unconventional oxide superconductors beyond the copper oxide family. However, the…Shu Cai, Yuqing Tian, Shengjun Yan et al.·Aug 3, 2026SaveLearn
Spin Josephson diode effect induced by higher-harmonic spin Josephson currents in a diffusive Josephson junctionWe theoretically investigate the spin Josephson diode effect (SJDE) in a diffusive Josephson junction with a Rashba metal layer under a ferromagnetic exchange field. Within the quasiclassical…Shin-ichi Hikino·Aug 3, 2026SaveLearn