Enhanced superconducting properties of Bi2Sr2CaCu2O8+x films with sub-50-nm thicknessFew-unit cell thick Bi2Sr2CaCu2O8+x (Bi-2212) layers have recently attracted much interest due to their extreme anisotropy and two-dimensional superconductivity, although they are…Bernd Aichner, Sandra Keppert, Johannes D. Pedarnig et al.·Dec 23, 2024SaveLearn
A scenario for the critical fluctuations near the transition of few-bilayer films of high-temperature cuprate superconductorsWe study the critical fluctuations near the resistive transition of very thin films of high-temperature cuprate superconductors composed of a number N of only a few unit cells of superconducting…M. M. Botana, M. V. Ramallo·Dec 23, 2024SaveLearn
Superconductivity in Nanosystems: A Fruitful Path to New Phenomenology in Quantum MaterialsWe reason that various recent works by different groups reporting new phenomenologies in superconductors can be understood in a unifying way as instances of the appearance of novel competitions (or…M. V. Ramallo·Dec 23, 2024SaveLearn
DC-operated Josephson junction arrays as a cryogenic on-chip microwave measurement platformProviding radio frequency (RF) signals to circuits working in cryogenic conditions requires bulky and expensive transmission cabling interfacing specialized RF electronics anchored at room…Senne Vervoort, Lukas Nulens, Davi A. D. Chaves et al.·Dec 23, 2024SaveLearn
Phase-dependent supercurrent and microwave dissipation of HgTe quantum well Josephson junctionsWe measured the microwave response of a HgTe quantum well Josephson junction embedded into an RF SQUID loop which is inductively coupled to a superconducting resonator. The side-contacted devices…Wei Liu, Stanislau U. Piatrusha, Lena Fürst et al.·Dec 23, 2024SaveLearn
Origin of the Diagonal Double-Stripe Spin-Density-Wave and Potential Superconductivity in Bulk La3Ni2O7 at Ambient PressureThe discovery of high-temperature superconductivity (SC) with Tc≈ 80 K in the pressurized La3Ni2O7 has aroused great interests. Currently, due to technical difficulties, most…Yu-Bo Liu, Hongyi Sun, Ming Zhang et al.·Dec 22, 2024SaveLearn
Three-dimensional spin susceptibility in Ba0.75K0.25Fe2As2: Out-of-plane modulation revealed by neutron spectroscopy and theoretical modelingWe present a combined experimental and theoretical investigation of the spin dynamics in the iron-based superconductor Ba0.75K0.25Fe2As2. Time-of-flight inelastic neutron scattering…Naoki Murai, Katsuhiro Suzuki, Masamichi Nakajima et al.·Dec 22, 2024SaveLearn
Edge modes in chiral electron double layersWe study the quasiparticles in chiral double layers with electron pairing within the framework of the Bogoliubov de Gennes equation. In the presence of an edge it is demonstrated that the…Klaus Ziegler, Roman Ya. Kezerashvili·Dec 21, 2024SaveLearn
Tunable superconducting diode effect in a topological nano-SQUIDA Josephson diode passes current with zero resistance in one direction but is resistive in the other direction. While such an effect has been observed in several platforms, a large and tunable…Ella Nikodem, Jakob Schluck, Max Geier et al.·Dec 21, 2024SaveLearn
Development of a Neuromorphic Network Using BioSFQ CircuitsSuperconductor electronics (SCE) appear promising for low energy applications. However, the achieved and projected circuit densities are insufficient for direct competition with CMOS technology.…Evan B. Golden, Vasili K. Semenov, Sergey K. Tolpygo·Dec 21, 2024SaveLearn
Ambient-pressure superconductivity onset above 40 K in bilayer nickelate ultrathin filmsThe discovery of bilayer nickelate superconductors under high pressure has opened a new chapter in high-transition temperature (high-TC) superconductivity. Here, we report ambient-pressure…Guangdi Zhou, Wei Lv, Heng Wang et al.·Dec 21, 2024SaveLearn
Magnetic bound states embedded in tantalum superconducting thin filmsIn the fabrication of superconducting devices, both in situ and ex situ processes are utilized, making the removal of unwanted oxide layers and impurities under vacuum conditions crucial. Oxygen…Soroush Arabi, Qili Li, Ritika Dhundhwal et al.·Dec 20, 2024SaveLearn
Local structure and phonon states mediated by intercalation-driven doping in superconducting Li1.0(C5H5N)yFe2-zSe2Intercalation of two-dimensional (2D) iron chalcogenides with molecular species requires disentangling electronic and structural contributions to understand the puzzling limit to superconducting…Alexandros Deltsidis, Myrsini Kaitatzi, Laura Simonelli et al.·Dec 20, 2024SaveLearn
Experimental discovery of Sarma state in atomically thick superconducting FeSe films under high magnetic fieldsMany-body ground states of imbalanced Fermi gas have been studied both theoretically and experimentally for several decades because of their fundamental significance in condensed matter physics, cold…Wantong Huang, Yuguo Yin, Haicheng Lin et al.·Dec 20, 2024SaveLearn
Conformal approach to physics simulations for thin curved 3D membranesThree-dimensional nanoarchitectures are widely used across various areas of physics, including spintronics, photonics, and superconductivity. In this regard, thin curved 3D membranes are especially…Igor Bogush, Vladimir M. Fomin, Oleksandr V. Dobrovolskiy·Dec 20, 2024SaveLearn
Theoretical Prediction of High-Temperature Superconductivity in SrAuH3 at Ambient PressureWe present a comprehensive computational investigation of electron-phonon interactions in MXH3 hydride compounds, where M represents alkali and post-transition metals, and X denotes 3d,…Bin Li, Cong Zhu, Junjie Zhai et al.·Dec 20, 2024SaveLearn
Anomalous currents and spontaneous vortices in spin-orbit coupled superconductorsWe propose a mechanism which can generate supercurrents in spin-orbit coupled superconductors with charged magnetic inclusions. The basic idea is that through spin-orbit interaction, the in-plane…Benjamin A. Levitan, Yuval Oreg, Erez Berg·Dec 19, 2024SaveLearn
Impurity strength-temperature phase diagram with phase crystals and competing time-reversal symmetry breaking states in nodal d-wave superconductorsPhase crystals are a class of nonuniform superconducting ground states characterized by spontaneous phase gradients of the superconducting order parameter. These phase gradients nonlocally drive…Kevin Marc Seja, Niclas Wall-Wennerdal, Tomas Löfwander et al.·Dec 19, 2024SaveLearn
Mathematical analysis of a flux-jump model in superconductivityType II superconductors can trap a transient magnetic field and become "cryomagnets" that are very useful for applications. During this process, flux jumps i.e. sudden jumps of the total…Jean-Guy Caputo, Nathan Rouxelin·Dec 19, 2024SaveLearn
Odd-frequency pairing due to Majorana and trivial Andreev bound statesMajorana and trivial Andreev bound states are predicted to appear in superconductor-semiconductor hybrid systems, but their identification is still a challenging task. Here we consider…Eslam Ahmed, Shun Tamura, Yukio Tanaka et al.·Dec 19, 2024SaveLearn
Topological Landau TheoryWe present an extension of Landau's theory of phase transitions by incorporating the topology of the order parameter. When the order parameter comprises several components arising from…Canon Sun, Joseph Maciejko·Dec 19, 2024SaveLearn
Possible High temperature Superconductivity above 200K mediated by Bose Einstein Condensation of excitonExciton mediated superconductor is a fascinating quantum phase of matter that occurs when excitons become the dominant excitation in materials, which is also very promising for high temperature…Shisheng Lin, Shaoqi Huang, Minhui Yang et al.·Dec 19, 2024SaveLearn
Study of NbN as superconducting material for the usage in superconducting radio frequency cavitiesA new axion-haloscope is setup at the Johannes Gutenberg university of Mainz, named the Supax (a SUPerconducting AXion search) experiment. This setup is used to characterize the behaviour of a NbN…Kristof Schmieden, Tim Schneemann, Matthias Schott et al.·Dec 19, 2024SaveLearn
Ghost Josephson plasmon in bilayer superconductorsThe experimental measurement of collective charge fluctuations in metals and superconductors is a preferential tool to benchmark fundamental interactions in solids. Recent experiments in…Niccolò Sellati, Lara Benfatto·Dec 19, 2024SaveLearn
Resistance of high-temperature superconducting tapes triggered by alternating magnetic fieldDynamic resistance occurs in a superconducting tape carrying a dc transport current while being exposed to an alternating magnetic field. This effect is caused by flux movements interacting with the…Quoc Hung Pham, Mathias Noe, Rainer Nast·Dec 19, 2024SaveLearn