Dissipation-enhanced non-reciprocal superconductivity: application to multi-valley superconductorsWe here propose and study theoretically a non-equilibrium mechanism for the superconducting diode effect, which applies specifically to the case where time-reversal-symmetry -- a prerequisite for the…Sayan Banerjee, Mathias S. Scheurer·Jan 2, 2025SaveLearn
Optical signatures of Euler superconductorsWe study optical manifestations of multigap band topology in multiband superconductors with a nontrivial topological Euler class. We introduce a set of lattice models for non-Abelian superconductors…Chun Wang Chau, Wojciech J. Jankowski, Robert-Jan Slager·Jan 1, 2025SaveLearn
Sputtering Current Driven Growth & Transport Characteristics of Superconducting Ti40V60 Alloy Thin FilmsThe room temperature growth, characterization, and electrical transport properties of magnetron sputtered superconducting Ti40V60 alloy thin films are presented. The films exhibit low surface…Shekhar Chandra Pandey, Shilpam Sharma, K. K. Pandey et al.·Jan 1, 2025SaveLearn
Unconventional Coherence Peak in Cuprate SuperconductorsThe Hebel-Slichter coherence peak, observed in the spin-lattice relaxation rate 1/T1 just below the critical temperature T c, serves as a crucial experimental validation of the…Zheng Li, Chao Mu, Pengfei Li et al.·Jan 1, 2025SaveLearn
Hydride superconductivity: here to stay, or to lead astray and soon go away?In a recent Comment (arXiv:2411.10522, Nat Rev Phys 7, 2 (2025)), fifteen prominent leaders in the field of condensed matter physics declare that hydride superconductivity is real and urge funding…J. E. Hirsch·Dec 31, 2024SaveLearn
Majorana Flat Bands in the Vortex Line of Superconducting Weyl SemimetalsWe report the emergence of Majorana flat bands (MFBs) in the vortex line of superconducting (SC) time-reversal-symmetry-breaking Weyl semimetals. By considering a Weyl semimetal as a stack of Chern…Zhicheng Zhang, Kou-Han Ma·Dec 31, 2024SaveLearn
Deeper insight into the terahertz response of conventional superconductors under magnetic fieldWe investigate the terahertz conductivity of conventional superconductors in Voigt and Faraday magneto-optical configurations. First, we review theoretical approaches describing the fundamental…Michal Šindler, František Herman, Filip Kadlec et al.·Dec 31, 2024SaveLearn
Observation of superconductivity in a nontrivial Z2 approximant quasicrystalSuperconductivity and nontrivial topology are highly sought-after phenomena in quantum materials. While many topological crystalline materials have been found to exhibit superconductivity, their…Pavan Kumar Meena, Rahul Verma, Arushi et al.·Dec 31, 2024SaveLearn
Pressure-tunable structural instabilities in single-layer-trilayer La3Ni2O7Layered nickelates are believed to exhibit superconductivity similar to that found in the cuprates. However, the precise crystal structure of the superconducting phase of the layered nickelates has…Alaska Subedi·Dec 30, 2024SaveLearn
The global critical current effect of superconductivitySuperconductivity has been investigated for over a century, but there are still open questions about what determines the critical current; the maximum current a superconductor can carry before…Heng Wu, Yaojia Wang, Mazhar N. Ali·Dec 30, 2024SaveLearn
High-pressure growth effects on the superconducting properties of Sm-based oxypnictide superconductorsHigh-pressure synthesis can be an effective method for improving the sample quality of materials as well as their superconducting properties. In this paper, the synthesis process of F- doped SmFeAsO…Mohammad Azam, Manasa Manasa, Tatiana Zajarniuk et al.·Dec 30, 2024SaveLearn
The electronic structure and disorder effect of La3Ni2O7 superconductorDetermining the electronic structure of La3Ni2O7 is an essential step towards uncovering their superconducting mechanism. It is widely believed that the bilayer apical oxygens play an…Yuxin Wang, Yi Zhang, Kun Jiang·Dec 29, 2024SaveLearn
Phase-Space Approach to Wannier Pairing and Bogoliubov Orbitals in Square-Octagon LatticesLow-energy lattice models are the cornerstone for studying many-body physics and interactions between the system and measurement fields. A key challenge is identifying appropriate quasiparticle…Rajesh O. Sharma, Tanmoy Das·Dec 28, 2024SaveLearn
Direct Comparison of Magnetic Penetration Depth in Kagome Superconductors AV3Sb5 (A = Cs, K, Rb)We report measurements of the local temperature-dependent penetration depth, λ(T), in the Kagome superconductors AV3Sb5 (A = Cs, K, Rb) using scanning superconducting quantum interference…Austin Kaczmarek, Andrea Capa Salinas, Stephen D. Wilson et al.·Dec 27, 2024SaveLearn
Chirality-induced pseudo-magnetic fields, flat bands and enhancement of superconductivitySystems in which exchange interactions couple carrier spins to a spin texture with a net chirality exhibit a spin-dependent Aharonov-Bohm effect, where the geometric gauge field and pseudo-magnetic…Zhiyu Dong, Leonid Levitov, Patrick A. Lee·Dec 27, 2024SaveLearn
Two superconducting thin films systems with potential integration of different quantum functionalitiesQuantum computation based on superconducting circuits utilizes superconducting qubits with Josephson tunnel junctions. Engineering high-coherence qubits requires materials optimization. In this work,…Snehal Mandal, Biplab Biswas, Suvankar Purakait et al.·Dec 27, 2024SaveLearn
Anisotropic and tunable vortex topology in multiband iron-based superconductorsBuilding on the multiband nature of iron-based superconductors (FeSCs), we have uncovered pronounced anisotropy in Majorana vortex topology arising from the interaction between vortex orientation and…Si-Qi Yu, Wei Cheng, Chuang Li et al.·Dec 26, 2024SaveLearn
Transformation of the trapped flux in a SC disc under electromagnetic exposureSuperconducting permanent magnets (SCs) with trapped magnetic flux are used in technical devices (motors, generators, etc.). These magnets endure repeated magnetic "shocks" during operation,…V. V. Chabanenko, I. Abaloszewa, V. F. Rusakov et al.·Dec 26, 2024SaveLearn
Fractional vortex array realized at twin boundary in a nematic superconductorWithin a framework of two-component Ginzburg-Landau theory as a model of superconducting FeSe, we study the spatial structure of vortex states in the presence of nematic twin boundary in an s + d…Sakiko Noda, Hiroto Adachi, Masanori Ichioka·Dec 25, 2024SaveLearn
Gap Anisotropy in Layered Superconductors Due to Rashba and Dresselhaus Spin-Orbit InteractionsThe theory of layered superconductors is extended in the presence of Rashba and Dresselhaus spin-orbit interactions (SOIs). Using the intralayer BCS-like pairing interaction and employing the…Bahruz Suleymanli, B. Tanatar·Dec 24, 2024SaveLearn
Ultralow-temperature heat transport evidence for residual density of states in the superconducting state of CsV3Sb5The V-based kagome superconductors AV3Sb5 (A = K, Rb, and Cs) host charge density wave (CDW) and a topological nontrivial band structure, thereby provide a great platform to study the…C. C. Zhao, L. S. Wang, W. Xia et al.·Dec 24, 2024SaveLearn
Low-temperature mean valence of nickel ions in pressurized La3Ni2O7The discovery of high critical temperature (Tc) superconductivity in pressurized La3Ni2O7 has ignited renewed excitement in the search of novel high-Tc superconducting compounds with 3d…Shu Cai, Yazhou Zhou, Hualei Sun et al.·Dec 24, 2024SaveLearn
Dimensional crossovers in the Gaussian critical fluctuations above Tc of two-layer and three-layer superconductorsBy using a Ginzburg-Landau functional in the Gaussian approximation, we calculate the energy of superconducting fluctuations above the transition, at zero external magnetic field, of a system…A. S. Viz, M. M. Botana, J. C. Verde et al.·Dec 24, 2024SaveLearn
Calculations of some doping nanostructurations and patterns improving the functionality of high-temperature superconductors for bolometer device applicationsWe calculate the effects of doping nanostructuration and the patterning of thin films of high-temperature superconductors (HTS) with the aim of optimizing their functionality as sensing materials for…J. C. Verde, A. S. Viz, M. M. Botana et al.·Dec 24, 2024SaveLearn
Spin density wave and superconductivity in the bilayer t-J model of La3Ni2O7 under renormalized mean-field theoryMotivated by the recently discovered bilayer nickelate superconductor, the pressurized La3Ni2O7, we present a renormalized mean-field theory of a bilayer single-band t-J model,…Yang Tian, Yan Chen·Dec 23, 2024SaveLearn