Temperature dependent energy gap for Yu-Shiba-Rusinov states at the quantum phase transitionMotivated by recent experiments, which allow for fine tuning of the effective magnetic interaction between the impurity and the superconductor, we investigate the regime around the quantum phase…Andreas Theiler, Christian R. Ast, Annica M. Black-Schaffer·Feb 6, 2025SaveLearn
Boosting superconductivity in ultrathin YBa2Cu3O7-δ films via nanofaceted substratesIn cuprate high-temperature superconductors the doping level is fixed during synthesis, hence the charge carrier density per CuO2 plane cannot be easily tuned by conventional gating, unlike in 2D…Eric Wahlberg, Riccardo Arpaia, Debmalya Chakraborty et al.·Feb 6, 2025SaveLearn
Josephson coupling in Lanthanum-based cuprates superlatticesIn most anisotropic compounds such as bismuth-based layered cuprate perovskites, the supercurrent across the blocking layer is of Josephson type, and a single crystal forms a natural stack of…Halima Giovanna Ahmad, Davide Massarotti, Francesco Tafuri et al.·Feb 6, 2025SaveLearn
Oxygen sublattice disorder and valence state modulation in infinite-layer nickelate superlatticesThe family of infinite-layer nickelates promises important insights into the mechanism of unconventional superconductivity. Since superconductivity has so far only been observed in epitaxial thin…R. A. Ortiz, N. Enderlein, K. Fürsich et al.·Feb 6, 2025SaveLearn
Superconducting LaPtH 6 with triatomic hydrogen unitsTo veryfy "hot supreconductivity" recently proposed in lanthanum hydride-based compounds, we explored thermodynamically stable and superconducting phases in the lanthanum (La)-platinum…T. Ishikawa, Y. Tanaka, S. Tsuneyuki·Feb 5, 2025SaveLearn
Pervasive symmetry-lowering nanoscale structural fluctuations in the cuprate La2-xSrxCuO4The cuprate superconductors are among the most widely studied quantum materials, yet there remain fundamental open questions regarding their electronic properties and the role of the structural…R. J. Spieker, M. Spaić, I. Khayr et al.·Feb 5, 2025SaveLearn
Revealing the orbital origins of exotic electronic states with Ti substitution in kagome superconductor CsV3Sb5The multiband kagome superconductor CsV3Sb5 exhibits complex orbital textures on the Fermi surface, making the orbital origins of its cascade of correlated electronic states and superconductivity a…Zihao Huang, Hui Chen, Hengxin Tan et al.·Feb 5, 2025SaveLearn
Enhanced Cooper pairing in nano-patterned metalsNano-patterning has been shown to be a powerful tool for manipulating the vibrational modes of elastic structures, with applications such as optical-mechanical mode coupling. Inspired by these recent…Masoud Mohammadi-Arzanagh, Andrey Grankin, Victor Galitski et al.·Feb 4, 2025SaveLearn
Topological Josephson vortices at finite voltage biasWe study the effects of finite voltage bias on Caroli-de Gennes-Matricon (CdGM) states in topological Josephson junctions with a vortex lattice. The voltage drives vortices into steady motion,…Kiryl Piasotski, Adrian Reich, Alexander Shnirman·Feb 4, 2025SaveLearn
Strain-induced proximity effect in topological insulator TaSe3The magnetoresistance of superconductor-topological insulator-superconductor structures, with indium as the superconductor and TaSe3 as the topological insulator, shows steplike features on the…R. M. Lukmanova, I. A. Cohn, V. E. Minakova et al.·Feb 4, 2025SaveLearn
Majorana flat bands and anomalous proximity effects in p-wave magnet--superconductor hybrid systemsFlat-band Majorana bound states of nodal p-wave superconductors give rise to striking electromagnetic anomalies, reflecting their high degree of degeneracy at the Fermi level. However, experimental…Yutaro Nagae, Leo Katayama, Satoshi Ikegaya·Feb 4, 2025SaveLearn
From superconductivity to non-superconductivity in LiPdH: a first principle approachThe layered structure of LiPdH was theoretically suggested to be a superconductor as a result of its larger electron-phonon coupling constant compared to that of PdH. However, the experimental…Zahra Alizadeh, Yue-Wen Fang, Ion Errea et al.·Feb 4, 2025SaveLearn
Pressure-induced structural and superconducting transitions in black arsenicWe report high-pressure Raman spectra and resistance measurements of black arsenic (b-As) up to 58 GPa, along with phonon density of states (DOS) and enthalpy calculations for four reported arsenic…Y. Y. Wu, L. Mu, Y. L. Zhang et al.·Feb 4, 2025SaveLearn
Renormalization-group approach to the Kohn-Luttinger superconductivity: Amplification of the pairing gap from 4 toWe revisit the renormalization group (RG) analysis of the Kohn-Luttinger (KL) mechanism for superconductivity. The KL mechanism leads to superconductivity in a system with a repulsive bare…Yuki Fujimoto·Feb 3, 2025SaveLearn
Creation, stabilization, and study at ambient pressure of pressure-induced superconductivity in Bi0.5Sb1.5Te3In light of breakthroughs in superconductivity under high pressure, and considering that record critical temperatures (Tcs) across various systems have been achieved under high pressure, the…Liangzi Deng, Busheng Wang, Clayton Halbert et al.·Feb 3, 2025SaveLearn
Universal Superconductivity in FeTe and All-Iron-Based Ferromagnetic Superconductor HeterostructuresFerromagnetism (FM) and superconductivity (SC) are two of the most famous macroscopic quantum phenomena. However, nature normally does not allow SC and FM to coexist without significant degradation.…Hee Taek Yi, Xiong Yao, Deepti Jain et al.·Feb 3, 2025SaveLearn
Structural and Electronic Evolution of Bilayer Nickelates Under Biaxial StrainThe discovery of high-Tc superconductivity around 80K in bilayer nickelate La3Ni2O7 under high pressure has expanded the family of high-Tc superconductors above the nitrogen boiling temperature.…H C Regan B. Bhatta, Xiaoliang Zhang, Yong Zhong et al.·Feb 3, 2025SaveLearn
Damage of bilayer structure in La3Ni2O7-d induced by high pO2 annealingThe discovery of superconductivity with onset temperature of ~80 K in pressurized bilayer Ruddlesden-Popper La3Ni2O7-d has attracted much attention. Despite intense research, determination of the…Yulin Zhang, Cuiying Pei, Ning Guo et al.·Feb 3, 2025SaveLearn
Superconductivity of the hybrid Ruddlesden-Popper La5Ni3O11 single crystals under high pressureThe discovery of high-temperature superconductivity in La3Ni2O7 and La4Ni3O10 under high pressure indicates that the Ruddlesden-Popper (RP) phase nickelates Rn+1NinO3n+1 (R = rare earth) is a new…Mengzhu Shi, Di Peng, Kaibao Fan et al.·Feb 3, 2025SaveLearn
Effect of 2nd harmonic current--phase relation on a behavior of a Josephson Traveling Wave Parametric AmplifierWe numerically investigate the behavior of a Josephson traveling wave parametric amplifier assuming a current-phase relation with a second--harmonic contribution. We find that varying the weight of…Claudio Guarcello, Carlo Barone, Giovanni Carapella et al.·Feb 2, 2025SaveLearn
Influence of pressure on properties of multi-gap type-I superconductor BeAuWe report on studies of the superconducting and normal state properties of the noncentrosymmetric superconductor BeAu under hydrostatic pressure conditions. The room-temperature equation of state…Rustem Khasanov, Riccardo Vocaturo, Oleg Janson et al.·Feb 2, 2025SaveLearn
Nuclear spin coherence in superconducting Nb3SnWe have investigated the normal and superconducting states of the technologically important compound Nb3Sn using 93Nb nuclear magnetic resonance. From spin-lattice relaxation we find strong…Gan Zhai, William P. Halperin, Arneil P. Reyes et al.·Feb 1, 2025SaveLearn
Stress Accommodation in Nanoscale Dolan Bridges Designed for Superconducting QubitsJosephson junctions are the principal circuit element in numerous superconducting quantum information devices and can be readily integrated into large-scale electronics. However, device integration…Sueli Skinner-Ramos, Matthew L. Freeman, Douglas Pete et al.·Feb 1, 2025SaveLearn
Direct Visualization of an Incommensurate Unidirectional Charge Density Wave in La4Ni3O10Superconductivity emerges in both La3Ni2O7 and La4Ni3O10 under high pressure by suppressing their density-wave transitions, but critical temperature (Tc) differs significantly…Mingzhe Li, Jiashuo Gong, Yinghao Zhu et al.·Jan 31, 2025SaveLearn
Dynamic Competition between Cooper-Pair and Spin-Density-Wave CondensationQuantum matter phases may co-exist microscopically even when they display competing tendencies. A fundamental question is whether such a competition can be avoided through the elimination of one…B. Decrausaz, M. Pikulski, O. Ivashko et al.·Jan 29, 2025SaveLearn