Intrinsic Nonreciprocity in Asymmetric Josephson Junctions with Non-Sinusoidal Current-Phase RelationsJosephson junctions (JJs) with non-sinusoidal current-phase relations (CPRs) have gathered increasing attention, partly due to growing interest in topological 2D materials. Understanding how CPR and…R. A. Hovhannisyan·Apr 6, 2025SaveLearn
Pressure Induced Anomalous Metal in the Vicinity of the Superconductor Insulator TransitionThe Superconductor-to-Insulator Transition (SIT) in two-dimensional superconductors occurs due to a competition between superconductivity, quantum interferences, Coulomb interactions and disorder.…Roy G. Cohen Song, Mark Nikolaevsky, Amitay Cohen et al.·Apr 6, 2025SaveLearn
Ab initio screening for BCS-type superconductivity in ThCr2Si2-type compoundsIn this study, we applied ab initio Tc calculations to compounds with the ThCr2Si2-type structure to search for BCS superconductor candidates. From the 1883 compounds registered in…Tom Ichibha, Ryo Maezono, Kenta Hongo·Apr 5, 2025SaveLearn
Electron density and compressibility in the Kitaev model with a spatially modulated Phase in the superconducting pairingA current flowing through a one-dimensional Kitaev chain induces a spatial modulation in its superconducting pairing, characterized by a wave vector Q, which is known to induce two types of…Fabian G. Medina Cuy, Fabrizio Dolcini·Apr 5, 2025SaveLearn
Nontrivial saddle points for spectral form factors of flat band superconductorsWe derive the spectral form factor of a flat band superconductor in two different ways. In the first approach, we diagonalize the Hamiltonian of this system exactly and numerically sum over the exact…Sankalp Gaur, Emil A. Yuzbashyan, Victor Gurarie·Apr 5, 2025SaveLearn
Maximal critical temperature dependence on number of layers due to phonon d-wave pairing in hole doped cupratesRecently an apical oxygen atoms vibrations exchange mechanism of d-wave pairing in cuprates was proposed. The phonon mode in an insulating layer generates attraction of holes in metallic cuper oxygen…Baruch Rosenstein, B. Ya. Shapiro, Guy Leshem·Apr 4, 2025SaveLearn
Perfect supercurrent diode efficiency in chiral nanotube-based weak linksThe supercurrent diode effect (SDE) describes superconducting systems where the magnitude of the superconducting-to-normal state switching current differs for positive and negative current bias.…Joseph J. Cuozzo, François Léonard·Apr 3, 2025SaveLearn
Enhanced coherent terahertz emission from critical superconducting fluctuations in YBa2Cu3O6.6Coherent terahertz (THz) emission is emerging as a powerful new tool to probe symmetry breakings in quantum materials. This method relies on second order optical nonlinearities and is complementary…D. Nicoletti, M. Rosenberg, M. Buzzi et al.·Apr 3, 2025SaveLearn
Learning dynamics on the picosecond timescale in a superconducting synapse structureConventional Artificial Intelligence (AI) systems are running into limitations in terms of training time and energy. Following the principles of the human brain, spiking neural networks trained with…Ken Segall, Leon Nichols, Will Friend et al.·Apr 3, 2025SaveLearn
Anomalous vortex Hall effect in a ferromagnet/superconductor heterostructureThe coexistence of superconductivity and ferromagnetism is a fascinating and complex phenomenon in condensed matter physics, as these two states are typically mutually exclusive due to their…Weideng Sun, Przemyslaw Swatek, Yihong Fan et al.·Apr 3, 2025SaveLearn
Superconductivity in the Medium-Entropy/High-Entropy Re-based Alloys with a Non-Centrosymmetric α-Mn LatticeMedium or high-entropy alloys (MEAs-HEAs) and rhenium-based compounds with a non-centrosymmetric (NC) structure have received a lot of attention for offering a fertile soil in search for…Kuan Li, Longfu Li, Lingyong Zenga et al.·Apr 3, 2025SaveLearn
Triplet superconductivity by the orbital Rashba effect at surfaces of elemental superconductorsIt is often assumed that in a superconductor without spin-triplet pairing, the formation of unconventional spin-triplet densities requires the spin-orbit interaction in combination with either broken…Tom G. Saunderson, Martin Gradhand, Dongwook Go et al.·Apr 2, 2025SaveLearn
Thermoelectric AC Josephson effectA temperature gradient ΔT across a Josephson junction induces a thermoelectric current. We predict the AC Josephson effect is activated when this current surpasses the junction's critical…Olli Mansikkamäki, Francesco Giazotto, Alexander Balatsky·Apr 2, 2025SaveLearn
Fully-gapped superconductivity with rotational symmetry breaking in pressurized kagome metal CsV3Sb5The discovery of the kagome metal CsV3Sb5 has generated significant interest in its complex physical properties, particularly its superconducting behavior under different pressures, though its…X. Y. Feng, Z. Zhao, J. Luo et al.·Apr 2, 2025SaveLearn
Higher-order topological phases for time-reversal-symmetry breaking superconductivity in UTe2The recent discovery of heavy-fermion superconductor UTe2 has broadened the possibility of realizing exotic time-reversal-symmetry-breaking superconductivity. However, a comprehensive…Yuki Yamazaki, Shingo Kobayashi·Apr 2, 2025SaveLearn
Superconductivity up to 17 K in the high-pressure rhombohedral-I phase of ReO3: a potential oxide analogy of hydride superconductorsAs an A-site-vacant perovskite-type oxide, ReO3 undergoes sequential pressure-driven structural transitions associated with the rotation of ReO6 octahedra. The rhombohedral-I phase in the pressure…P. F. Shan, T. L. Lu, Z. Y. Liu et al.·Apr 2, 2025SaveLearn
Field free Josephson diode effect in Ising Superconductor/Altermagnet Josephson junctionAltermagnets (AMs) are an exotic class of antiferromagnet that exhibit spin-splitting even at the absence of net global magnetization and spin-orbit coupling (SOC) effects. In this work, we…Arindam Boruah, Saumen Acharjee, Prasanta Kumar Saikia·Apr 1, 2025SaveLearn
Single-gap two-band superconductivity well above the Pauli limit in non-centrosymmetric TaIr2B2Non-centrosymmetric superconducting materials represent an exciting class of novel superconductors featuring a variety of unconventional properties, including mixed-parity pairing and very high upper…J. Kacmarcik, Z. Pribulova, T. Shiroka et al.·Apr 1, 2025SaveLearn
A Clue on Small-Capacitance Josephson Junction: What to Expect from Cooper Pair Ideal Conductor and Ohmic Resistor in Parallel?By using analytical and Worldline Monte Carlo approaches, we investigate the effects induced by quantum phase fluctuations combined with quasiparticle subgap and shunt resistances on a…Francesco Giuseppe Capone, Antonio de Candia, Vittorio Cataudella et al.·Mar 31, 2025SaveLearn
Effective perpendicular electric field as a probe for interlayer pairing in ambient-pressure superconducting La2.85Pr0.15Ni2O7 thin filmsRecent angle-resolved photoemission spectroscopy (ARPES) experiments on La2.85Pr0.15Ni2O7 thin films have revealed a superconducting gap near the diagonal direction for the…Junkang Huang, Tao Zhou·Mar 31, 2025SaveLearn
Intertwining bulk and surface: the case of UTe2UTe2 has been the focus of numerous experimental and theoretical studies in recent years, as it is recognized as an odd-parity bulk superconductor. Its surface has also been probed, revealing…Andras Szabo, Aline Ramires·Mar 31, 2025SaveLearn
Thermal transport in superconductor heterostructures: some recent progressThis article reviews recent advances in low-temperature electronic thermal transport properties of thermally biased superconductor heterostructures focusing on the two-terminal transport. Since the…Paramita Dutta·Mar 31, 2025SaveLearn
Unveiling superconducting properties of an equiatomic hexagonal high entropy alloy via muon spin relaxation and rotation measurementSuperconducting high-entropy alloys (HEAs) present a unique platform for studying the effect of disorder, composition, and crystal structure on superconducting pairing. In this study, we present a…Sonika Jangid, Pavan Kumar Meena, Niraj P. Atale et al.·Mar 31, 2025SaveLearn
Density wave order with antiphase feature associated with the pseudogap in cuprate superconductor Bi2+xSr2-xCuO6+deltaThe strong correlation effect in cuprate superconductors have greatly enriched the phase diagram showing the co-existence of superconductivity with many intertwined orders. One of the prominent…Zhaohui Wang, Han Li, Shengtai Fan et al.·Mar 31, 2025SaveLearn
Toward the detection of spin-vortex-induced loop currents in a single bilayer Bi2Sr2CaCu2O8+δ thin film and their possible use as qubits: Model calculations for three nano-island architectureA theory for cuprate superconductivity predicts the existence of nano-sized loop currents called, ``spin-vortex-induced loop currents (SVILCs)''. In this wok, we first calculate magnetic…Hayato Taya, Yuto Takatsu, Hiroyasu Koizumi·Mar 31, 2025SaveLearn