Quantum-geometric spin and charge Josephson diode effectsWe present a general mechanism for large charge and spin Josephson diode effects in strongly spin-polarized superconductor-ferromagnet hybrid structures with a noncoplanar spin texture, formulated in…Niklas L. Schulz, Danilo Nikolić, Matthias Eschrig·Jan 20, 2025SaveLearn
Optical control of the crystal structure in the bilayer nickelate superconductor La3Ni2O7 via nonlinear phononicsSuperconductivity in the bilayer nickelate La3Ni2O7 occurs when the interlayer Ni-O-Ni bond angle becomes straight under pressure, suggesting a strong relationship between the crystal…Shu Kamiyama, Tatsuya Kaneko, Kazuhiko Kuroki et al.·Jan 20, 2025SaveLearn
Microscopic evidence of charge- and spin-density waves in La3Ni2O7-δ revealed by 139La-NQRThe recent discovery of superconductivity in La3Ni2O7-δ with a transition temperature Tc close to 80 K at high pressures has attracted significant attention, due particularly to a…J. Luo, J. Feng, G. Wang et al.·Jan 20, 2025SaveLearn
Pseudo-spin-polarized topological superconductivity in kagome RbV3Sb5Kagome superconductors AV3Sb5 (A=K, Rb, Cs) have sparked considerable interest due to the presence of several intertwined symmetry-breaking phases within a single material. Interestingly, in a…Xilin Feng, Zi-Ting Sun, Ben-Chuan Lin et al.·Jan 19, 2025SaveLearn
Pseudo-Ising superconductivity induced by p-wave magnetismUnconventional magnetic orders usually interplay with superconductivity in intriguing ways. Here we propose that a conventional superconductor in proximity to a compensated p-wave magnet exhibits…Zi-Ting Sun, Xilin Feng, Ying-Ming Xie et al.·Jan 19, 2025SaveLearn
Properties of two level systems in current-carrying superconductorsWe show that in disordered superconductors, at sufficiently low frequencies ω, the coupling of TLS to external ac electric fields increases dramatically in the presence of a dc supercurrent. This…T. Liu, A. V. Andreev, B. Z. Spivak·Jan 18, 2025SaveLearn
Surface impedance measurements in superconductors in dc magnetic fields: challenges and relevance to particle physics experimentsParticle physics and radio-frequency (RF) superconductivity have driven each other on since the 1970s. The unique properties of superconductors (SC) have been the enabling keys for the realization of…Andrea Alimenti, Nicola Pompeo, Kostiantyn Torokhtii et al.·Jan 18, 2025SaveLearn
Optical probes of two-component pairing states in transition metal dichalcogenidesSignatures of unconventional superconductivity have been recently observed in certain transition metal dichalcogenides (TMDs), including 4Hb-TaS2 and monolayer 2H-NbSe2. While the pairing…Miguel-Ángel Sánchez-Martínez, Daniel Muñoz-Segovia, Fernando de Juan·Jan 17, 2025SaveLearn
Angle-resolved photoemission spectroscopy of superconducting (La,Pr)3Ni2O7/SrLaAlO4 heterostructuresRuddlesden-Popper bilayer nickelate thin film superconductors discovered under ambient pressure enable vast possibilities for investigating electronic structures of the superconducting state. Here,…Peng Li, Guangdi Zhou, Wei Lv et al.·Jan 16, 2025SaveLearn
AR-SFQ: Asynchronous Reset Library Using α-Cell DesignRapid Single Flux Quantum (RSFQ) circuits are the most evolved superconductor logic family. However, the need to clock each cell and the deep pipeline causes a complex clock network with a large…Yasemin Kopur, Beyza Zeynep Ucpinar, Mustafa Altay Karamuftuoglu et al.·Jan 16, 2025SaveLearn
Absence of diode effect in chiral type-I superconductor NbGe2Symmetry elegantly governs the fundamental properties and derived functionalities of condensed matter. For instance, realizing the superconducting diode effect (SDE) demands breaking space-inversion…Dong Li, Zouyouwei Lu, Wenxin Cheng et al.·Jan 16, 2025SaveLearn
Ising superconductivity in noncentrosymmetric bulk NbSe2Ising superconductivity allows in-plane upper critical magnetic fields to vastly surpass Pauli limit by locking the antiparallel electron spins of Cooper pairs in the out-of-plane direction. It was…Dominik Volavka, Zuzana Pribulová, Jozef Kačmarčík et al.·Jan 15, 2025SaveLearn
Classification of pair symmetries in superconductors with unconventional magnetismWe consider unconventional magnets with proximity-induced superconductivity and investigate the emergence of superconducting correlations by carrying out a full classification of allowed Cooper pair…Kazuki Maeda, Yuri Fukaya, Keiji Yada et al.·Jan 15, 2025SaveLearn
Topological Bardeen-Cooper-Schrieffer theory of superconducting quantum ringsQuantum rings have emerged as a playground for quantum mechanics and topological physics, with promising technological applications. Experimentally realizable quantum rings, albeit at the scale of a…Elena Landro', Vladimir M. Fomin, Alessio Zaccone·Jan 15, 2025SaveLearn
Preformed Cooper Pairs in a Triclinic Iron Pnictide SuperconductorElectron pairing along with phase coherence generates superconductivity below the critical temperature (Tc). In underdoped high-Tc cuprates, these two quantum phenomena may occur at separate…Zezhong Li, Wenshan Hong, Honglin Zhou et al.·Jan 15, 2025SaveLearn
Pressure-induced topological changes in Fermi surface of two-dimensional molecular conductorWe demonstrated X-ray structural analysis of the pressure-induced superconductor, β'-ET2ICl2 under extremely high-pressure conditions, where ET denotes…T. Kobayashi, K. Yoshimi, H. Ma et al.·Jan 15, 2025SaveLearn
Superconductivity and normal-state transport in compressively strained La2PrNi2O7 thin filmsThe discovery of superconductivity under high pressure in Ruddlesden-Popper phases of bulk nickelates has sparked great interest in stabilizing ambient pressure superconductivity in thin-film form…Yidi Liu, Eun Kyo Ko, Yaoju Tarn et al.·Jan 14, 2025SaveLearn
Thermal Annealing and Radiation Effects on Structural and Electrical Properties of NbN/GaN Superconductor/Semiconductor JunctionIn the rapidly evolving field of quantum computing, niobium nitride (NbN) superconductors have emerged as integral components due to their unique structural properties, including a high…Stephen Margiotta, Binzhi Liu, Saleh Ahmed Khan et al.·Jan 14, 2025SaveLearn
Misfit layer superconductors, tuneable bulk heterostructures with strong 2D effectsAtomically thin layered materials are systems with zero limit bulk-to-surface ratio. Their physical properties are determined by two-dimensionality and strongly affected by interfacing with other…Tomas Samuely, Martin Gmitra, Tristan Cren et al.·Jan 14, 2025SaveLearn
Negative superfluid density and spatial instabilities in driven superconductorsWe consider excitation of Higgs modes via the modulation of the BCS coupling within the Migdal-Eliashberg-Keldysh theory of time-dependent superconductivity. Despite the presence of phonons, which…Andrey Grankin, Victor Galitski, Vadim Oganesyan·Jan 14, 2025SaveLearn
Resolving Structural Origins for Superconductivity in Strain-Engineered La3Ni2O7 Thin FilmsThe discovery of high-temperature superconductivity in bulk La3Ni2O7 under high hydrostatic pressure and, more recently, biaxial compression in epitaxial thin films has ignited significant…Lopa Bhatt, Abigail Y. Jiang, Eun Kyo Ko et al.·Jan 14, 2025SaveLearn
Quasiparticle Fermi surfaces of niobium and niobium-titanium alloys at high pressureThe electronic structure of pure niobium and the niobium-titanium alloy Nb0.44Ti0.56 in the bcc-phase at pressures up to 250 GPa is investigated, to reveal possible factors conducing…D. Jones, A. Östlin, A. Chmeruk et al.·Jan 14, 2025SaveLearn
Comparison of NiFeCr and NiFe in ferromagnetic Josephson junctionsJosephson junctions containing ferromagnetic materials are under consideration for applications in digital superconducting logic and memory. Some memory applications rely on the ability to reverse…Joshua Willard, Swapna Sindhu Mishra, Robert M. Klaes et al.·Jan 12, 2025SaveLearn
Electric field tunable coupling strength and quantum metric hot spots in a moiré flatband superconductorSuperconductivity in flatband systems has attracted tremendous attention in condensed matter physics. Alternating twisted multilayer graphene presents a compelling multiband system, with a…Le Liu, Yu Hong, Chengping Zhang et al.·Jan 11, 2025SaveLearn
High-pressure growth effect on the properties of high-Tc iron-based superconductors: A short reviewThe high-pressure growth technique is a vital approach that facilitates the stabilization of new phases and allows for meticulous control of structural parameters, which significantly impact…Priya Singh, Manasa Manasa, Mohammad Azam et al.·Jan 11, 2025SaveLearn