Thermoelectricity evidence for quantum criticality in clean infinite-layer nickelate filmsWe investigate the Seebeck coefficient (S) in infinite-layer nickelate films with different disorder levels. The disordered NdNiO2 film exhibits a flat S/T curve, whereas cleaner samples…Xu Zhang, Chihao Li, Mingwei Yang et al.·Aug 18, 2025SaveLearn
Non-Hermitian Chiral Superfluids with a Complex InteractionRecently, the influence of dissipation on a quantum system has attracted much attention, particularly on how the non-Hermitian terms modify the energy spectrum, band topology, and phase transition…Jia-Hang Ji, Wenxing Nie·Aug 17, 2025SaveLearn
The superconducting diode effect in Josephson junctions fabricated from structurally chiral Mo3Al2CThe superconducting diode effect occurs in superconducting materials in which both spin and inversion symmetry are broken. The recently observed chirality-induced spin selectivity effect demonstrates…Peter T. Orban, Gregory Bassen, Evan N. Crites et al.·Aug 15, 2025SaveLearn
Stabilizing and Tuning Superconductivity in La3Ni2O7-δ Films: Oxygen Recycling Protocol Reveals Hole-Doping AnalogueThe recent achievement of superconductivity in La3Ni2O7-δ with transition temperatures exceeding 40 K in thin films under compressive strain and 80 K in bulk crystals under high pressure…Lifen Xiang, Siyi Lei, Xiaolin Ren et al.·Aug 15, 2025SaveLearn
Low barrier ZrOx-based Josephson junctionsThe Josephson junction is a crucial element in superconducting devices, and niobium is a promising candidate for the superconducting material due to its large energy gap relative to aluminum. AlOx…Jaehong Choi, Maciej Olszewski, Luojia Zhang et al.·Aug 15, 2025SaveLearn
Superconductivity in imbalanced bilayer Hubbard model: enhanced d-wave and weakened s-wave pairingWe investigate the bilayer model with two layers of imbalanced densities coupled by the interlayer hybridization. Using the large-scale dynamical cluster quantum Monte Carlo simulation, we discovered…Ziying Jia, Xun Liu, Mi Jiang·Aug 14, 2025SaveLearn
Study on fluctuations of interface-enhanced superconductivity in ultrathin FeSe/SrTiO3 by the Nernst effectUltrathin FeSe films on SrTiO3 substrate show interface-enhanced superconductivity. However, how the superconductivity is established including superconducting fluctuations remains unclear. This…Tomoki Kobayashi, Ryo Ogawa, Atsutaka Maeda·Aug 14, 2025SaveLearn
Discovery of Niobium Hydride Precipitates in Superconducting QubitsWe report the evidence of the formation of niobium hydride phase within niobium films on silicon substrates in superconducting qubits fabricated at Rigetti Computing. For this study, we combined…Zuhawn Sung, Daniel Bafia, Arely Cano et al.·Aug 14, 2025SaveLearn
Field-free superconducting diode effect in two-dimensional Shiba latticesThe superconducting diode effect (SDE) refers to non-reciprocal transport, where current flows without resistance in one direction but becomes resistive in the opposite direction, but its typical…Sayak Bhowmik, Dibyendu Samanta, Ashis K. Nandy et al.·Aug 14, 2025SaveLearn
Unified Theory of Dark Count Rate and System Detection Efficiency for NbN, WSi Based Superconducting Single Photon DetectorsPredicting the behavior of superconducting nanowire single photon detectors (SNSPDs) is important as their use becomes more widespread in fields ranging from quantum computing to quantum remote…Daien He, Leif Bauer, Sathwik Bharadwaj et al.·Aug 14, 2025SaveLearn
Structural transition and possible pressure-induced superconductivity in a suboxide La5Pb3OHere we report a structural phase transition and its possible competition with superconductivity in the suboxide La5Pb3O. Upon cooling through Tt = 225 K, La5Pb3O transforms from a…Jiaqiang Yan, David Singh, Bayram Saparov et al.·Aug 13, 2025SaveLearn
2D bilayer electron-hole superfluidity with unequal and anisotropic massesWe investigate the stability of electron-hole superfluidity in two-dimensional bilayers with unequal and anisotropic effective masses. Using a zero-temperature, self-consistent Hartree-Fock approach,…Jihang Zhu, Sankar Das Sarma·Aug 13, 2025SaveLearn
Doping Evolution of Nodal Electron Dynamics in Trilayer Cuprate Superconductor Bi2Sr2Ca2Cu3O10+δ Revealed by Laser-Based Angle-Resolved Photoemission SpectroscopyThe doping evolution of the nodal electron dynamics in the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O10+δ (Bi2223) is investigated using high-resolution laser-based angle-resolved…Hao Chen, Jumin Shi, Xiangyu Luo et al.·Aug 13, 2025SaveLearn
Oxygen incorporation in YBa2Cu3O7-δ thin films: surface activation and degradationThe oxygen off-stoichiometry plays a pivotal role for the physical properties of superconducting oxides. Yet, there is a lack of knowledge on the fundamental processes of oxygen incorporation and…Alexander Stangl, Xavier Obradors, Anna Palau et al.·Aug 13, 2025SaveLearn
Trigonal warping enables linear optical spectroscopy in single-valley superconductorsIn superconductors with multiple pairing channels, Bardasis-Schrieffer modes and clapping modes arise as fluctuations in channels whose angular momenta differ from that of the pair condensate.…Benjamin A. Levitan, Étienne Lantagne-Hurtubise·Aug 12, 2025SaveLearn
Enhanced superconductivity in ultrathin FeSe films on SrTiO3 via resonant anti-shielding: Superconductivity meets superfluidityA vanishingly small dielectric function reflects a singular polarization response in a medium, leading to collective plasmonic or polaronic excitations that can enhance Cooper pairing in…Krzysztof Kempa, Michael J. Naughton, Hanno H. Weitering·Aug 12, 2025SaveLearn
Nanoscale lattice heterostructure in high Tc superconductorsLow temperature superconductivity was known since 1957 to be described by BCS theory for an effective single band metals controlled by the density of states at the Fermi level, very far from band…Annette Bussmann-Holder, Jürgen Haase, Hugo Keller et al.·Aug 12, 2025SaveLearn
The doping evolution of the charge density wave and charge density fluctuations in La2-xSrxCuO4Cuprate superconductors show various collective charge correlations that are intimately connected with their electronic properties. In particular, charge order in the form of an incommensurate charge…Charles C. Tam, Mengze Zhu, Maud C. Barthélemy et al.·Aug 12, 2025SaveLearn
Fulde-Ferrell-Larkin-Ovchinnikov States and Topological Bogoliubov Fermi Surfaces in Altermagnets: an Analytical StudyWe present an analytical study of the ground-state phase diagram for dilute two-dimensional spin-1/2 Fermi gases exhibiting d-wave altermagnetic spin splitting under s-wave pairing. Within the…Zhao Liu, Hui Hu, Xia-ji Liu·Aug 11, 2025SaveLearn
Terahertz range polarization rotation in the candidate time-reversal symmetry breaking superconductor BiNiHere we report the observation of time-reversal symmetry (TRS) breaking superconductivity in a BiNi bilayer using terahertz (THz) polarimetry. Leveraging a novel high-precision THz polarimetry…Ralph Romero, Zhenisbek Tagay, Jiahao Liang et al.·Aug 11, 2025SaveLearn
Effect of Josephson junction parameter spread on the performance of SQUID arraysJosephson junctions based on grain boundaries, such as those made of Yttrium Barium Copper Oxide (YBCO), exhibit inherent parameter spreads in their critical current and normal state resistance. This…O. A. Nieves, M. A. Galí Labarias, A. C. Keser et al.·Aug 11, 2025SaveLearn
g-Factor Enhanced Upper Critical Field in Superconducting PdTe2 due to Quantum ConfinementThe Pauli limiting field of superconductors determines the maximal possible value of magnetic field at which superconductivity remains possible. For weak-coupling superconductors, it is determined by…Kota Yoshimura, Tzu-Chi Hsieh, Huiyang Ma et al.·Aug 11, 2025SaveLearn
Symmetry-breaking perturbations in the Jahn-Teller-Hubbard modelWe study the effect of symmetry-breaking perturbations in the multiorbital Hubbard model coupled to anisotropic Jahn-Teller phonons, which is relevant for the description of fulleride…Natsuki Okada, Tatsuya Miki, Yusuke Nomura et al.·Aug 10, 2025SaveLearn
Enhancing Plasmonic Superconductivity in Layered Materials via Dynamical Coulomb EngineeringConventional Coulomb engineering, through controlled manipulation of the environment, offers an effective route to tune the correlation properties of atomically thin van der Waals materials via…Yann in 't Veld, Mikhail I. Katsnelson, Andrew J. Millis et al.·Aug 8, 2025SaveLearn
Scalable High-Temperature Superconducting Diodes in Intrinsic Josephson JunctionsSuperconducting diodes, characterized by nonreciprocal supercurrent transport, offer transformative opportunities for ultra-low-power circuits. However, achieving reliable operation at temperatures…Zihan Wei, Youkai Qiao, Yang-Yang Lyu et al.·Aug 8, 2025SaveLearn