Topological superconductivity in two-dimensional π-junction Dirac semimetalsOdd-parity pairings offer a natural pathway for realizing topological superconductivity. When two identical even-parity superconductors form a π-junction, the metallic material sandwiched between…Yijie Mo, Xiao-Jiao Wang, Zhongbo Yan·Mar 9, 2025SaveLearn
Pressure Effect on the Spin Density Wave Transition in La2PrNi2O6.96High-pressure studies reveal a stark contrast between the superconducting properties of double-layer Ruddlesden-Popper (RP) nickelates La2PrNi2O7 and La3Ni2O7. While…Rustem Khasanov, Igor Plokhikh, Thomas J. Hicken et al.·Mar 9, 2025SaveLearn
Ferromagnetic superconductivity with excitonic Cooper pairs: Application to Γ-valley twisted semiconductorsWe present a theory of ferromagnetic superconductivity that emerges upon doping a correlated ferromagnetic insulator through the condensation of excitonic Cooper pairs, which are charge-2e bosonic…Daniele Guerci, Liang Fu·Mar 7, 2025SaveLearn
Collective modes in superconductors including Coulomb repulsionWe numerically study the collective excitations present in isotropic superconductors including a screened Coulomb interaction. By varying the screening strength, we analyze its impact on the system.…Joshua Althüser, Götz S. Uhrig·Mar 7, 2025SaveLearn
Collapse of density wave and emergence of superconductivity in pressurized-La4Ni3O10 evidenced by ultrafast spectroscopyRecent discoveries of superconductivity in Ruddlesden-Popper nickelates realize a rare category of superconductors. However, the use of high-pressure diamond anvil cells limits spectroscopic…Shuxiang Xu, Hao Wang, Mengwu Huo et al.·Mar 7, 2025SaveLearn
How pairing mechanism dictates topology in valley-polarized superconductors with Berry curvatureWe investigate how the pairing mechanism influences topological superconductivity in valley-polarized systems with Berry curvature. We demonstrate that short-range attractive interactions, such as…Julian May-Mann, Tobias Helbig, Trithep Devakul·Mar 7, 2025SaveLearn
Unraveling Spin Density Wave Order in Layered Nickelates La3Ni2O7 and La2PrNi2O7 via Neutron DiffractionThe discovery of pressure-induced superconductivity in two- and three-layer Ruddlesden-Popper nickelates has generated significant interest in these materials as a platform for unconventional…Igor Plokhikh, Thomas J. Hicken, Lukas Keller et al.·Mar 7, 2025SaveLearn
Possible superconductivity in very thin magnesium filmsIt is known that noble metals such as gold, silver and copper are not supercon- 1 ductors, so as magnesium. This is due to the weakness of the electron-phonon interaction 2 which makes them excellent…Giovanni Alberto Ummarino, Alessio Zaccone·Mar 7, 2025SaveLearn
Rutherford Backscattering Spectrometry analysis of the formation of superconducting V3Si thin filmsVanadium silicide, V3Si, is a promising superconductor for silicon-based superconducting (SC) devices due to its compatibility with silicon substrates and its potential for integration into…Fshatsion B. Gessesew, Manjith Bose, Kumaravelu Ganesan et al.·Mar 7, 2025SaveLearn
Electronic Structure, Magnetic and Pairing Tendencies of Alternating Single-layer Bilayer Stacking Nickelate La5Ni3O11 Under PressureNickelates have continued to surprise since their unconventional superconductivity was discovered. Recently, the layered nickelate La5Ni3O11 with hybrid single-layer and bilayer stacking…Yang Zhang, Ling-Fang Lin, Adriana Moreo et al.·Mar 7, 2025SaveLearn
Nonlinear electron-phonon interactions in Migdal-Eliashberg theorySuperconducting systems based on attractive electron-phonon interactions are the ones which are best understood at a fundamental level. They are well described using Eliashberg theory, which, unlike…Ingvar Zappacosta, Matthew Houtput, Jacques Tempere·Mar 6, 2025SaveLearn
Effect of Pressure and Oxygen-Isotope Substitution on Density-Wave Transitions in La4Ni3O10Understanding the interplay between magnetism and superconductivity in nickelate systems is a key objective in condensed matter physics. Here, we present a systematic muon-spin rotation/relaxation…Rustem Khasanov, Vahid Sazgari, Thomas J. Hicken et al.·Mar 6, 2025SaveLearn
Mechanisms driving robust high-temperature superconductivity in complex metal hydrides under moderate pressureThe discovery of near-room-temperature superconductivity in compressed hydrides has sparked intensive research efforts to identify superconducting hydrides stable at low or even ambient pressures.…Wendi Zhao, Shumin Guo, Tiancheng Ma et al.·Mar 6, 2025SaveLearn
Unified model of the Hall effect from insulator to overdoped compounds in cuprate superconductorsMeasurements of the Hall coefficient in La2-xSrxCuO4, ranging from the undoped (x = p = 0) Mott insulator to overdoped compounds, exhibit a temperature dependence that offers insights…Júlia C. Anjos, Hércules S. Santana, E. V. L. de Mello·Mar 6, 2025SaveLearn
Unveiling the nature of collective charge excitations in a cuprate superconductorEmergent symmetry breakings in condensed matter systems are often intimately linked to collective excitations. For example, the intertwined spin-charge stripe order in cuprate superconductors is…Xunyang Hong, Yujie Yan, Leonardo Martinelli et al.·Mar 6, 2025SaveLearn
Engineering nonequilibrium superconducting phases in a voltage-driven superconductor under an external magnetic fieldWe theoretically investigate nonequilibrium properties of a normal metal-superconductor-normal metal (NSN) junction under an external magnetic field. When a bias voltage is applied between the…Taira Kawamura, Yoji Ohashi·Mar 6, 2025SaveLearn
A universal scaling of condensation temperature in quantum fluidsThe phenomena of superconductivity and superfluidity are believed to originate from the same underlying physics, namely the condensation of either bosons or pairs of fermions (Cooper pairs). In this…S. V. Dordevic·Mar 5, 2025SaveLearn
IsoME: Streamlining High-Precision Eliashberg CalculationsThis paper introduces the Julia package IsoME, an easy-to-use yet accurate and robust computational tool designed to calculate superconducting properties. Multiple levels of approximation are…Eva Kogler, Dominik Spath, Roman Lucrezi et al.·Mar 5, 2025SaveLearn
Geometric Asymmetry-Enhanced Nonreciprocal Supercurrent Transport Revealed by Second-Harmonic ResponseNonreciprocal transport in superconducting systems serves as a powerful probe of symmetry-breaking mechanisms, with the superconducting diode effect emerging as a key manifestation enabling cryogenic…Yu He, Zifeng Wang, Jiaxu Li et al.·Mar 5, 2025SaveLearn
Spontaneous rotational symmetry breaking induced by electronic instability in the normal state of La1-x Srx NiO2The spontaneous rotational symmetry breaking (RSB), a hallmark phenomenon in cuprate and iron-based high-temperature superconductors, is believed to intimately connected to superconductivity, both of…Qiang Zhao, Rui Liu, Wen-Long Yang et al.·Mar 5, 2025SaveLearn
Anomalous Thickness Dependence of the Vortex Pearl Length in Few-Layer NbSe2The coexistence of multiple types of orders is a common thread in condensed matter physics and unconventional superconductors. The nature of superconducting orders may be unveiled by analyzing local…Nofar Fridman, Tomer Daniel Feld, Avia Noah et al.·Mar 5, 2025SaveLearn
Revealing the electron-spin fluctuation coupling by photoemission in CaKFe4As4Electron-boson coupling in unconventional superconductors is one of the key parameters in understanding the superconducting pairing symmetry. Here, we report definitive photoemission evidence of…Peng Li, Yuzhe Wang, Yabin Liu et al.·Mar 5, 2025SaveLearn
Pressure-driven superconductivity in the topological insulator GeBi4Te7The van der Waals, pseudo-binary chalcogenides (ACh)m(Pn2Ch3)n (A = Ge, Mn, Pb, etc.; Pn = Sb or Bi; Ch = Te, Se) have recently been reported to host a vast landscape of topological phases of matter,…Yalei Huang, Na Zuo, Zheyi Zhang et al.·Mar 5, 2025SaveLearn
Vortex Motion Induced Losses in Tantalum ResonatorsTantalum (Ta) based superconducting circuits have been demonstrated to enable record qubit coherence times and quality factors, motivating a careful study of the microscopic origin of the remaining…Faranak Bahrami, Matthew P. Bland, Nana Shumiya et al.·Mar 5, 2025SaveLearn
Selective electron-phonon coupling strength from nonequilibrium optical spectroscopy: The case of MgB2The coupling between quasiparticles and bosonic excitations rules the energy transfer pathways in condensed matter systems. The possibility of inferring the strength of specific coupling channels…S. Mor, F. Boschini, E. Razzoli et al.·Mar 4, 2025SaveLearn