Bulk superconductivity in pressurized trilayer nickelate Pr4Ni3O10 single crystalsThe discovery of superconductivity in pressurized bilayer and trilayer nickelates has generated significant interest. However, their superconducting properties are often dependent on sample quality…Enkang Zhang, Di Peng, Yinghao Zhu et al.·Jan 29, 2025SaveLearn
Direct Observation of Vortices and Antivortices Generation in Phase-Separated Superconductor Sn-Pb SolderQuantized vortices in type-II superconductors provide insights into the mechanisms of superconductivity. However, the generation of antivortices, characterized by magnetization antiparallel to the…Hiroto Arima, Takumi Murakami, Yuto Kinoshita et al.·Jan 29, 2025SaveLearn
Enhancement of superconductivity on thin film of Sn under high pressureWe investigated the pressure effects of a superconductivity on thin films of Sn. Elemental superconductor Sn with a body-centered tetragonal structure, β-Sn, exhibits superconductivity below the…Misaki Sasaki, Masahiro Ohkuma, Ryo Matsumoto et al.·Jan 29, 2025SaveLearn
Anomalous proximity effect of a spin-singlet superconductor with a spin-orbit interactionThe anomalous proximity effect of a spin-triplet p-wave superconductor has been known as a part of the Majorana physics and is explained by the penetration of zero-energy states from a surface of a…Jaechul Lee, Satoshi Ikegaya, Yasuhiro Asano·Jan 29, 2025SaveLearn
Supercurrent Diode Effect in Josephson Interferometers with Multiband SuperconductorsWe investigate nonreciprocal supercurrent phenomena in superconducting quantum interference devices (SQUIDs) that integrate Josephson junctions with single and multiband order parameters, which may…Yuriy Yerin, Stefan-Ludwig Drechsler, A. A. Varlamov et al.·Jan 29, 2025SaveLearn
Phase transition in quasi-flat band superconductorsWe investigate superconductivity in a two-dimensional material described by a two-band heavy-fermion model, where hybridization between a dispersive band and a flat band introduces a quasi-flat…A. A. Zyuzin, A. Yu. Zyuzin·Jan 28, 2025SaveLearn
Phonon-mediated electron attraction in SrTiO3 via the generalized Fröhlich and deformation potential mechanismsSuperconductivity in doped SrTiO3 was discovered in 1964, the first superconducting transition observed in a doped semiconductor. However, the mechanism of electron pairing in SrTiO3 remains a…Christopher J. N. Coveney, Norm M. Tubman, Chih-En Hsu et al.·Jan 28, 2025SaveLearn
Upper critical fields in normal metal-superconductor-normal metal trilayersThe role of spin orbit interaction in superconducting proximity effect is an area of intense research effort. Recent theoretical and experimental works investigate the possible role of spin-orbit…Kelsey B. Robbins, Pukar Sedai, Alexandra J. Howzen et al.·Jan 28, 2025SaveLearn
The Effect of the Non-Abelian Quantum Metric on SuperfluidityThe quantum geometric tensor, which encodes the full geometric information of quantum states in projective Hilbert space, plays a crucial role in condensed matter physics. In this work, we examine…Kai Chen, Bishnu Karki, Pavan Hosur·Jan 28, 2025SaveLearn
Ultra-strong coupling of two ferromagnets via Meissner currentsIn this work, we study the magnetization dynamics in a ferromagnet/insulator/ferromagnet trilayer sandwiched between two superconductors (S/F/I/F/S heterostructure). It is well-known that a…V. M. Gordeeva, G. A. Bobkov, A. M. Bobkov et al.·Jan 28, 2025SaveLearn
Pair Wavefunction Symmetry in UTe2 from Zero-Energy Surface State VisualizationAlthough nodal spin-triplet topological superconductivity appears probable in UTe2, its superconductive order-parameter Δk remains unestablished. In theory, a distinctive identifier would be the…Qiangqiang Gu, Shuqiu Wang, Joseph P. Carroll et al.·Jan 28, 2025SaveLearn
Lévy noise effects on Josephson junctionsWe review three different approaches to investigate the non-equilibrium stochastic dynamics of a Josephson junction affected by Lévy-distributed current fluctuations. First, we study the lifetime in…Claudio Guarcello·Jan 28, 2025SaveLearn
A sturdy spin-momentum locking in a chiral organic superconductorAmong noncentrosymmetric structures, chirality has recently been recognized as a novel source of asymmetrical charge/spin transports as exemplified by electrical magnetochiral anisotropy (EMChA) and…Takuro Sato, Hiroshi Goto, Hiroshi M. Yamamoto·Jan 28, 2025SaveLearn
Melting through Barrier-Crossing: The Role of Equilibrium Thermally Activated ParticlesMelting is often understood in purely equilibrium terms, where crystalline order disappears once the free energy of the solid equals that of the liquid. Yet at the microscopic level, the initiating…Rongchao Ma·Jan 27, 2025SaveLearn
Low volume fraction of high-Tc superconductivity in La3Ni2O7 at 80 K and ambient pressureThe discovery of superconductivity in pressurized La3Ni2O7 with a transition temperature of approximately 80 K above the boiling point of liquid nitrogen has sparked significant attention. It is…Mengwu Huo, Peiyue Ma, Chaoxin Huang et al.·Jan 27, 2025SaveLearn
Overdoping YBa2Cu3O7 via a heterostructure with La0.67Sr0.33MnO3YBa2Cu3Ox, the first superconductor discovered with Tc higher than 77 K, is among the most complex cuprates having both CuO chains and plains in the structure. YBa2Cu3O7 (YBCO) exhibits slightly…Ankita Singh, Sawani Datta, Ram Prakash Pandeya et al.·Jan 27, 2025SaveLearn
Optimizing the Critical Temperature and Superfluid Density of a Metal-Superconductor BilayerA promising path to realizing higher superconducting transition temperatures Tc is the strategic engineering of artificial heterostructures. For example, quantum materials could, in principle, be…Yutan Zhang, Philip M. Dee, Benjamin Cohen-Stead et al.·Jan 26, 2025SaveLearn
Determination of the London penetration depth with the tunnel diode oscillator techniqueUsing a distribution of the Meissner currents over the surface of an infinitely long superconducting slab with a rectangular cross section, the magnetic moment of the slab is calculated, taking into…G. P. Mikitik·Jan 26, 2025SaveLearn
Pairing phase diagram for electron-doped cuprates in the square-lattice t-U-V Hubbard modelMotivated by significant discrepancies between experimental observations of electron-doped cuprates and numerical results of the Hubbard model, we investigate the role of nearest-neighbor (NN)…Zhangkai Cao, Shuning Tan, Ji Liu et al.·Jan 25, 2025SaveLearn
Opposite-Mirror-Parity Scattering as the Origin of Superconductivity in Strained Bilayer NickelatesWe study the electronic structure and doping-dependent instabilities of strained La3Ni2O7 thin films using first-principles and functional renormalization group methods. We demonstrate that…Congcong Le, Jun Zhan, Xianxin Wu et al.·Jan 24, 2025SaveLearn
Bulk superconductivity up to 96 K in pressurized nickelate single crystalsRecently, the Ruddlesden-Popper bilayer nickelate La3Ni2O7 has emerged as a superconductor with a transition temperature (Tc) of approximately 80 K above 14 GPa (Refs. 1-3). Achieving higher…Feiyu Li, Zhenfang Xing, Di Peng et al.·Jan 24, 2025SaveLearn
Designing edge currents using mesoscopic patterning in chiral d-wave superconductorsChiral superconductors are topological as characterized by a finite Chern number and chiral edge modes. Direct fingerprints of chiral superconductivity are thus often taken to be spontaneous edge…Patric Holmvall, Annica M. Black-Schaffer·Jan 24, 2025SaveLearn
Conditions for orbital selective altermagnetism in Sr2RuO4: tight binding model, similarities with cuprates and implications on superconductivityThe vibrational modes in Sr2RuO4 easily induce octahedral rotations without tilting. Being on the verge of a magnetic instability, such propensity of octahedral rotation may also produce…Carmine Autieri, Giuseppe Cuono, Debmalya Chakraborty et al.·Jan 24, 2025SaveLearn
Influence of Fermi Surface Geometry and Van Hove Singularities on the Optical Response of Sr2RuO4Motivated by the sensitivity of Sr2RuO4 to Fermi surface reconstructions under strain, we investigate how Fermi surface geometry and Van Hove singularities influence the optical Hall response…Meghdad Yazdani-Hamid, Mehdi Biderang, Alireza Akbari·Jan 24, 2025SaveLearn
Atypical vortex lattice and the magnetic penetration depth in superconducting Sr2RuO4 deduced by μSRThe muon spin rotation (μSR) technique has been applied to determine the behavior of the in-plane magnetic penetration depth (λab) in the vortex state of the unconventional superconductor…M. Yakovlev, Z. Kartsonas, J. E. Sonier·Jan 24, 2025SaveLearn