Possible Liquid-Nitrogen-Temperature Superconductivity Driven by Perpendicular Electric Field in the Single-Bilayer Film of La3Ni2O7 at Ambient PressureRecently, high-temperature superconductivity (HTSC) is found in the La3Ni2O7/SrLaAlO4 ultrathin film with critical temperature Tc above the McMillan limit at ambient pressure (AP). It…Zhi-Yan Shao, Jia-Heng Ji, Congjun Wu et al.·Nov 20, 2024SaveLearn
Phase-Biased Andreev Diffraction GratingIn optical diffraction, the phase difference between sources in a grating or multi-slit mask is determined by the angle to the imaging screen, yielding the familiar multi-lobed diffraction image.…Magnus R. Lykkegaard, Anders Enevold Dahl, Karsten Flensberg et al.·Nov 20, 2024SaveLearn
Resolving phonon-mediated superconducting pairing symmetries from first-principles calculationThe quest for topological superconductors triggers revived interests in resolving non-s-wave pairing channels mediated by phonons. While density functional theory and density functional perturbtaion…Zimeng Zeng, Xiaoming Zhang, Shunhong Zhang et al.·Nov 20, 2024SaveLearn
Tunable surface electron gas and effect of phonons in Sr2CuO3: A first-principles studyWhile the conducting CuO2 planes in cuprate superconductors have been widely recognized as a crucial component in producing high superconducting Tc, recent experimental and theoretical…Xin Du, Hui-Hui He, Xiao-Xiao Man et al.·Nov 20, 2024SaveLearn
Stripe Antiferromagnetic Ground-State Configuration of FeSe Revealed by Density Functional TheoryThe magnetic ground-state configuration of iron selenide FeSe has been a topic of debate, with experimental evidence suggesting the stripe spin fluctuations as predominant at low temperatures, while…Luke Myers, Nigel Hew, Shun-Li Shang et al.·Nov 19, 2024SaveLearn
Doping dependence of low-energy charge collective excitations in high-Tc cupratesIn this study, we analyze the dielectric function of high-Tc cuprates as a function of doping level, taking into account the full energy band dispersion within the CuO2 monolayer. In addition to…V. M. Silkin, D. V. Efremov, M. Yu. Kagan·Nov 19, 2024SaveLearn
Nucleation and Arrangement of Abrikosov Vortices in Hybrid Superconductor-Ferromagnetic NanostructureThis study investigates the nucleation, dynamics, and stationary configurations of Abrikosov vortices in hybrid superconductor-ferromagnetic nanostructures exposed to inhomogeneous magnetic fields…Sara Memarzadeh, Mateusz Gołębiewski, Maciej Krawczyk et al.·Nov 19, 2024SaveLearn
Spin-density wave and superconductivity in La4Ni3O10 under ambient pressureWe investigate the spin-density wave (SDW) behavior and the potential for superconductivity (SC) in La4Ni3O10 under ambient pressure using a multi-orbital random-phase approximation (RPA).…Ming Zhang, Hongyi Sun, Yu-Bo Liu et al.·Nov 19, 2024SaveLearn
Two-dimensional superconductivity in new niobium dichalcogenides-based bulk superlatticesTransition metal dichalcogenides exhibit many unexpected properties including two-dimensional (2D) superconductivity as the interlayer coupling being weakened upon either layer-number reduction or…Kaibao Fan, Mengzhu Shi, Houpu Li et al.·Nov 19, 2024SaveLearn
Two-dimensional superconductivity and anomalous vortex dissipation in newly-discovered transition metal dichalcogenide-based superlatticesProperties of layered superconductors can vary drastically when thinned down from bulk to monolayer, owing to the reduced dimensionality and weakened interlayer coupling. In transition metal…Mengzhu Shi, Kaibao Fan, Houpu Li et al.·Nov 19, 2024SaveLearn
Unconventional Josephson supercurrent diode effect induced by chiral spin-orbit couplingChiral materials lacking mirror symmetry can exhibit unconventional spin-orbit fields, including fully momentum-aligned radial Rashba fields as seen in twisted van der Waals homobilayers. We…Andreas Costa, Osamu Kanehira, Hiroaki Matsueda et al.·Nov 18, 2024SaveLearn
Intertwined effects of elastic deformation and damage on vortex pinning and Jc degradation in polycrystalline superconductorsThe damage and the critical current density (Jc) degradation of polycrystalline superconductors induced by strain dramatically influence their performance in applications. Unfortunately, the…Qing-Yu Wang, Shuai Hu, You-He Zhou et al.·Nov 18, 2024SaveLearn
Nanoscale control over single vortex motion in an unconventional superconductorTo realize braiding of vortex lines and understand the basic properties of the energy landscape for vortex motion, precise manipulation of superconducting vortices on the nanoscale is required. Here,…Sang Yong Song, Chengyun Hua, Gábor B. Halász et al.·Nov 18, 2024SaveLearn
Novel Superconducting Ternary Hydrides under High PressureThe abundant chemical compositions in ternary hydrides bring much more possibility to explore high temperature superconductors under lower pressure. Here we constructed 115 ternary hydrides on the…Bangshuai Zhu, Dexi Shao, Cuiying Pei et al.·Nov 18, 2024SaveLearn
Imaging half-unit-cell Cooper-pair density waves in monolayer 1T-MoTe2Unconventional superconductors that spontaneously break space-group symmetries of their underlying crystal lattice are distinguished by spatial modulations of the superconducting order parameter.…Fang-Jun Cheng, Cong-Cong Lou, Ai-Xi Chen et al.·Nov 17, 2024SaveLearn
Amplitude mode in a multi-gap superconductor MgB2 investigated by terahertz two-dimensional coherent spectroscopyWe have investigated the terahertz (THz) nonlinear response of the multigap superconductor MgB2, using THz two-dimensional coherent spectroscopy (THz 2DCS). With broadband THz drive fields, we…Kota Katsumi, Jiahao Liang, Ralph Romero et al.·Nov 16, 2024SaveLearn
Strongly Anisotropic Charge Dynamics in La3Ni2O7 with Coherent-to-Incoherent Crossover of Interlayer Charge DynamicsWe report an optical spectroscopy study of the charge-dynamics anisotropy in the La3Ni2O7 single crystals with the electric field of the incident light parallel to the crystalline c-axis and ab-plane…Bo Su, Chaoxin Huang, Jianzhou Zhao et al.·Nov 16, 2024SaveLearn
Spin-lattice relaxation for point-node-like s-wave superconductivity in f-electron systemsIn this study, we examined the temperature dependence of the spin-lattice relaxation using an f-d-p model, which is an effective model of UTe2. Solving the linearized Eliashberg equation in the f-d-p…Shingo Haruna, Koki Doi, Takuji Nomura et al.·Nov 16, 2024SaveLearn
Layer thickness and substrate effects on superconductivity in epitaxial FeSe films on BLG/SiC(0001)The layered nature and simple structure of FeSe reveal this iron-based superconductor as a unique building block for the design of artificial heterostructure materials. While superconductivity…Yongsong Wang, Haojie Guo, Ane Etxebarria et al.·Nov 16, 2024SaveLearn
Hydride superconductivity: here to stayThe field of hydride superconductivity has recently been mired in a controversy that might divert attention from the question of central importance: do hydrides support genuine superconductivity or…Gregory S. Boebinger, Andrey V. Chubukov, Ian R. Fisher et al.·Nov 15, 2024SaveLearn
Oxidation Kinetics of Superconducting Niobium and a-Tantalum in Atmosphere at Short and Intermediate Time ScalesThe integration of superconducting niobium and tantalum into superconducting quantum devices has been increasingly explored over the past few years. Recent developments have shown that…Hunter J. Frost, Ekta Bhatia, Zhihao Xiao et al.·Nov 15, 2024SaveLearn
Optical response of edge modes in time-reversal symmetric topological superconductorsTopological superconductors and Majorana edge modes at their boundaries have been theoretically predicted. However, their experimental observation remains controversial. Recent theoretical studies…Hirokazu Kobayashi, Han Bi, James Jun He et al.·Nov 15, 2024SaveLearn
Assessing the possible superconductivity in doped perovskite hydride KMgH3: Effects of lattice anharmonicity and spin fluctuationsThe superconducting properties of uniformly hole-doped perovskite hydride KMgH3 with varying doping concentration and lattice parameter corresponding to different pressures were investigated from…Shaocong Lu, Ryosuke Akashi, Mitsuaki Kawamura et al.·Nov 15, 2024SaveLearn
Optimal coloring and strain-enhanced superconductivity in LinBn+1Cn-1Boron-rich lithium borocarbides are promising candidates for phonon-mediated high-temperature superconductors due to their metallic σ-bonding electrons. Here, we use the cluster expansion method to…Yuhao Gu, Jiangping Hu, Hong Jiang et al.·Nov 15, 2024SaveLearn
Enhanced Kohn-Luttinger topological superconductivity in bands with nontrivial geometryWe study the effect of the electron wavefunction on Kohn-Luttinger superconductivity. The role of the wavefunction is encoded in a complex form factor describing the topology and geometry of the…Ammar Jahin, Shi-Zeng Lin·Nov 14, 2024SaveLearn