Laser-Induced Relaxation Oscillations in Superconducting Nanobridge Single Photon DetectorsWe demonstrate novel laser-induced relaxation oscillations in superconducting nanowire single photon detectors (SNSPDs). These oscillations appear when a voltage biased NbTiN nanobridge detector is…F. B. Baalbergen, I. E. Zadeh, M. J. A. de Dood·Nov 14, 2024SaveLearn
Coexistence of ergodic and non-ergodic behavior and level spacing statistics in a one-dimensional model of a flat band superconductorMotivated by recent studies of the projected dice lattice Hamiltonian [K. Swaminathan et al., Phys. Rev. Research 5, 043215 (2023)], we introduce the on-site/bond singlet (OBS) model, a…Meri Teeriaho, Ville-Vertti Linho, Koushik Swaminathan et al.·Nov 14, 2024SaveLearn
Large critical fields in superconducting Ti4Ir2O from spin-orbit couplingThe recently synthesized η-carbide-type superconductors exhibit large critical fields. A notable example is Ti4Ir2O, for which the upper critical field strongly violates the Pauli…Hao Wu, Tatsuya Shishidou, Michael Weinert et al.·Nov 14, 2024SaveLearn
Multiphase superconductivity in PdBi2Unconventional superconductivity, where electron pairing does not involve electron-phonon interactions, is often attributed to magnetic correlations in a material. Well known examples include…Lewis Powell, Wenjun Kuang, Gabriel Hawkins-Pottier et al.·Nov 14, 2024SaveLearn
Orbital Fulde-Ferrell-Larkin-Ovchinnikov state in 2H-NbS2 flakesSymmetry breaking in a layered superconductor with Ising spin-orbit coupling has offered an opportunity to realize unconventional superconductivity. To be more specific, orbital…Xinming Zhao, Guoliang Guo, Chengyu Yan et al.·Nov 13, 2024SaveLearn
Unveiling pressurized bulk superconductivity in a trilayer nickelate Pr4Ni3O10 single crystalThe recent discovery of superconductivity in pressurized Ruddlesden-Popper (RP) nickelates has provided new perspectives on the mechanism of high-temperature superconductivity. Up to now, most…Cuiying Pei, Mingxin Zhang, Di Peng et al.·Nov 13, 2024SaveLearn
Reply to Comment on 'The Law of Entropy Increase and the Meissner Effect'Jorge Hirsch, in his Comment on my article published in Entropy, agrees that the conventional BCS theory of superconductivity contradicts the second law of thermodynamics. He tries to prove that this…A. V. Nikulov·Nov 13, 2024SaveLearn
Theory of anomalous Hall effect from screened vortex charge in a phase disordered superconductorMotivated by recent experiments showing evidence for chiral superconductivity in an anomalous Hall phase of tetralayer graphene, we study the relation between the normal state anomalous Hall…Jay D. Sau, Shuyang Wang·Nov 13, 2024SaveLearn
Maximum limit of connectivity in rectangular superconducting films with an oblique weak linkA method for measuring the electrical connectivity between parts of a rectangular superconductor was developed for weak links making an arbitrary angle with the long side of the sample. The method is…F. Colauto, D. Carmo, A. M. H. de Andrade et al.·Nov 13, 2024SaveLearn
Evolution of Electronic Correlations in the Ruddlesden-Popper NickelatesWe report on optical studies of the Ruddlesden-Popper nickelates Lan+1NinO3n+1 with n = 2 (La3Ni2O7), n = 3 (La4Ni3O10) and n = ∞…Zhe Liu, Jie Li, Mengwu Huo et al.·Nov 13, 2024SaveLearn
A Simple Model of Superconductors: Insights from Free Fermion and Boson GasesSuperconductors at temperatures below the critical temperature Tc can be modeled as a mixture of Fermi and Bose gases, where the Fermi gas consists of conduction electrons and the Bose gas…Mi-Ra Hwang, Eylee Jung, MuSeong Kim et al.·Nov 13, 2024SaveLearn
Ising superconductivity in the bulk incommensurate layered material (PbS)1.13(TaS2)Exploiting the spin-valley degree of freedom of electrons in materials is a promising avenue for energy-efficient information storage and quantum computing. A key challenge in utilizing spin-valley…Sajilesh K. P., Roni Anna Gofman, Yuval Nitzav et al.·Nov 12, 2024SaveLearn
Atomic-scale mapping of superconductivity in the incoherent CDW mosaic phase of a transition metal dichalcogenideThe emergence of superconductivity in the octahedrally coordinated (1T) phase of TaS2 is preceded by the intriguing loss of long-range order in the charge density wave (CDW). Such decoherence,…Sandra Sajan, Haojie Guo, Tarushi Agarwal et al.·Nov 12, 2024SaveLearn
Evidence for Atomic-Scale Inhomogeneity in Superconducting Cuprate NMRIn 1990, the Millis, Monien, and Pines (MMP) model and its improvement, the Zha, Barzykin, and Pines (ZBP) model in 1996, emerged as a realistic explanation of the cuprate NMR. These two models…Jamil Tahir-Kheli·Nov 12, 2024SaveLearn
Skin-topological effect in two-dimensional nonreciprocal topological superconductorWe investigate the interplay between non-Hermitian skin effect (NHSE) and topological properties in two-dimensional topological superconductor. Two kinds of non-Hermiticity are considered. The first…Hong Wang, Ming Lu, Jie Liu·Nov 12, 2024SaveLearn
Octupolar Weyl Superconductivity from Electron-electron InteractionUnconventional superconductivity arising from electron-electron interaction can manifest exotic symmetry and topological properties. We investigate the superconducting pairing symmetry problem based…Zhiming Pan, Chen Lu, Fan Yang et al.·Nov 11, 2024SaveLearn
Thermoelectric effect in a superconductor with Bogoliubov Fermi surfacesWe study theoretically the thermoelectric effect in a superconducting state having the Bogoliubov-Fermi surfaces which stays in a thin superconducting layer between a conventional superconductor and…Tomoya Sano, Takumi Sato, Akihiro Sasaki et al.·Nov 11, 2024SaveLearn
Diverse Manifestations of Electron-Phonon Coupling in a Kagome SuperconductorRecent angle-resolved photoemission spectroscopy (ARPES) experiments on a kagome metal CsV3Sb5 revealed distinct multimodal dispersion kinks and nodeless superconducting gaps across multiple…Jing-Yang You, Chih-En Hsu, Mauro Del Ben et al.·Nov 11, 2024SaveLearn
Topological versus conventional superconductivity in a Weyl semimetal: A microscopic approachStarting from a microscopic model for the particle-particle interactions in a Weyl semimetal, we analyzed the possibility for conventional as well as monopole Cooper pairing between quasiparticle…Enrique Muñoz, Juan Pablo Esparza, José Braun et al.·Nov 11, 2024SaveLearn
Edge supercurrent in Josephson junctions based on topological materialsThe interplay between novel topological states and superconductivity has garnered substantial interest due to its potential for topological quantum computing. The Josephson effect serves as a useful…Junjie Qi, Chui-Zhen Chen, Juntao Song et al.·Nov 11, 2024SaveLearn
Cocktail effect on superconductivity in hexagonal high-entropy alloysWe report the study of the cocktail effect on superconductivity in high-entropy alloys (HEAs),using hexagonal close-packed HEAs as a prototype system. Compared with the compositional averages of the…Bin Liu, Wuzhang Yang, Guang-Han Cao et al.·Nov 11, 2024SaveLearn
Persistence of vortexlike phase fluctuations in underdoped to heavily overdoped Bi-2201 cupratesThe mechanism that controls the superconducting (SC) transition temperature Tc0 as a function of doping is one of the central questions in cuprate high-temperature superconductors.…J. Terzic, Bal K. Pokharel, Z. Z. Li et al.·Nov 10, 2024SaveLearn
Calculations of Spin Fluctuation Spectral Functions α2F in High-Temperature Superconducting CupratesSpin fluctuations have been proposed as a key mechanism for mediating superconductivity, particularly in high-temperature superconducting cuprates, where conventional electron-phonon interactions…Griffin Heier, Sergey Y. Savrasov·Nov 10, 2024SaveLearn
Quantum phase transition in small-size 1d and 2d Josephson junction arrays: analysis of the experiments within the interacting plasmons pictureTheoretically, Josephson junction (JJ) arrays can exhibit either a superconducting or insulating state, separated by a quantum phase transition (QPT). In this work, we analyzed published data on QPTs…Samuel Feldman, Andrey Rogachev·Nov 10, 2024SaveLearn
Collective Pinning and Vortex Dynamics in type 2 superconducting thin films with Varying Magnetic FieldA perpendicular magnetic field penetrating a thin type-II superconductor slab produces vortices, with one vortex per flux quantum, h/2e. The vortices interact repulsively and form an ordered array…Yu Wu, Liangliang Guo, Renfei Wang et al.·Nov 8, 2024SaveLearn