Size and Impurity Effects on Scattering of Valley Hall Modes in Gate-Defined Bilayer Graphene SuperlatticesIn the present paper we perform a tight-binding simulation of gate-defined islands in Bernal bilayer graphene (BLG). The inversion of the gap sign on the boundaries of the islands creates…Marcus N. Kanestrøm, Antonio L. R. Manesco, D. O. Oriekhov·Aug 26, 2026SaveLearn
Switchable heavy-hole/light-hole spin qubitCompressively strained Ge quantum wells in planar SiGe/Ge heterostructures are the state-of-the-art platform for hole spin qubits. While they exhibit robust coherence times, they possess weak…Zoltán György, Dmitry Miserev, Jelena Klinovaja et al.·Aug 26, 2026·Top 39%SaveLearn
Topological phases of a generalised tripartite Haldane modelWe present a generalised tripartite Haldane model with a complex nearest neighbour hopping parameter. The total magnetic flux through the primitive unit cell, which consists of three hexagonal unit…Ahmed Al-kharusi, Alessandro Principi, Niels R. Walet·Aug 26, 2026·Top 75%SaveLearn
Light-Hole Spin Qubits in Strained SiGe Lattice-Matched to GeStrained germanium (-Ge) quantum wells on metamorphic SiGe buffers have enabled advanced hole-based spin qubit devices. Alternatively, unstrained Ge with lattice-matched strained…Edmondo Valvo, Davide Costa, Patrick Del Vecchio et al.·Aug 26, 2026SaveLearn
Chirality-Selective Phonon Pumping by Ferroelectric DynamicsThe discovery of chiral phonons has expanded the conventional view of lattice vibrations as passive heat carriers, opening new opportunities for phononic spintronic devices. However, their…Dapeng Yao, Ping Tang·Aug 26, 2026·Top 44%SaveLearn
Non-Hermitian topological Euler insulatorsTopological Euler insulators emerge in multiband systems with real Bloch Hamiltonians and wavefunctions. Their fragile topologies are characterized by the Euler class of degenerate bands and…Longwen Zhou·Aug 26, 2026·Top 69%SaveLearn
Quantum geometric signatures of Link-Unlink transitions and nonlinear Hall response in Hopf-link semimetalsQuantum geometry, comprising of quantum metric and Berry curvature, plays a significant role in the electronic transport properties of solids. In this work, we theoretically investigate the quantum…Kamalesh Bera, Arijit Saha, Debashree Chowdhury·Aug 26, 2026·Top 77%SaveLearn
Metastable magnetic domains and the anomalous B=0 resistance peak in twisted double bilayer grapheneIn graphene moirés, valley polarization gives rise to orbital magnetism, manifested as an anomalous Hall effect and resulting in Barkhausen jumps in longitudinal resistance when changing domain…Zhenxiang Gao, Christopher Coleman, Silvia Folk et al.·Aug 26, 2026·Top 79%SaveLearn
Signatures of a ferro-Josephson effect in twisted grapheneWhen a spin-polarized current is driven across a magnetic domain wall, the resulting spin-transfer torque could, beyond a critical threshold, set the wall's moments into precession. This…Ruiheng Su, Zhenxiang Gao, Christopher Coleman et al.·Aug 26, 2026·Top 39%SaveLearn
Carrier-Resolved Attosecond Valley Polarimetry of Monolayer MoS2In recent years, all-optical writing and switching of valley polarization in two-dimensional semiconductors has been demonstrated on femtosecond timescales. Reading this polarization out on the same…Navdeep Rana, Lun Yue, Mette B. Gaarde·Aug 25, 2026·Top 49%SaveLearn
Photonic spin-Hall effect as a probe for time-reversal-symmetry broken band topological phasesWhen a plane polarized Gaussian beam of light is incident on a surface, upon reflection it splits into right and left circularly polarized beams that are spatially separated in the direction…Deblina Samanta, Darshan G. Joshi·Aug 25, 2026·Top 65%SaveLearn
Hierarchical Quantum Transport from Coupled Topological Domain-Wall States in SSH ChainsWe investigate the transport properties of Su-Schrieffer-Heeger (SSH) chains containing multiple topological domain walls and show that their interaction generates a hierarchy of emergent spectral…Alessio Palavicini, César G. Galván, Carlos Ramírez·Aug 25, 2026·Top 93%SaveLearn
Visualizing flat-band spatial renormalization in rhombohedral graphene superlatticesRhombohedral graphene/hBN moiré superlattices exhibit flat-band-driven emergent phases, including superconductivity and the fractional quantum anomalous Hall effect (FQAHE), yet the microscopic role…Peng-Cheng Pan, Shihao Zhang, Yang Zhang et al.·Aug 25, 2026·Top 9%SaveLearn
Exciton fine structure in nanocrystals: effect of cuboidal and spheroidal shapesWe present the theory of the band-edge exciton fine structure in nanocrystals (NCs) with spheroidal and cuboidal shapes. The effects of the cubic symmetry of the crystal lattice, the cubic shape of…M. A. Semina, O. O. Druzhinina, A. A. Golovatentko et al.·Aug 25, 2026·Top 11%SaveLearn
Long-Range Order and Composite Boson Condensation in Lattice Quantum Hall StatesTopological states of matter, such as quantum Hall states, are characterized by the absence of local order parameters. In the continuum, their topological order has been reinterpreted as the…Fabian J. Pauw, Nathan Goldman, Felix A. Palm·Aug 25, 2026·Top 10%SaveLearn
Engineering Plasmons in Oxide/Graphene Heterostructures via Interfacial Charge TransferInterfacial charge transfer provides an effective route for tailoring the optical and electronic properties of two-dimensional materials. Here, we investigate infrared surface plasmon polaritons in…Yuanchen Chi, Dongxu Di, Michael Fralaide et al.·Aug 25, 2026·Top 30%SaveLearn
Intervalley Magnetotrions Tunable by Electric and Magnetic Fields in Buckled Two-Dimensional MaterialsWe develop a theoretical framework for intervalley magnetotrions in buckled two-dimensional materials, including silicene, germanene, and stanene, subjected to perpendicular electric and magnetic…Roman Ya. Kezerashvili, Shalva M. Tsiklauri, Anastasia Spiridonova·Aug 25, 2026·Top 75%SaveLearn
Floquet engineering of spin-valley selective transport in jacutingaiteWe study electron transport through a monolayer jacutingaite (Pt2HgSe3) tunnel junction in which only the barrier is irradiated by off-resonant circularly polarized light, while the leads…Otman Bouladiane, Kamal Azaidaoui, Clarence Cortes et al.·Aug 25, 2026·Top 84%SaveLearn
Electronic cooling of a TiW alloy normal-metal island using Nb-based superconducting tunnel junctionsTiW thin films remain non-superconducting down to millikelvin temperatures and are compatible with large-scale CMOS manufacturing, making them attractive for cryogenic and quantum tunnel-junction…Joel Hätinen, Renan Pires Loreto, Arvind Kumar et al.·Aug 25, 2026·Top 60%SaveLearn
Weaving Hopfions from Emergent Monopoles in a Chiral MagnetRecent advances in three-dimensional magnetization imaging techniques have opened new avenues for exploring topological spin textures beyond domain walls and skyrmions. Among them, magnetic hopfions…Shoya Kasai, Kotaro Shimizu, Shun Okumura et al.·Aug 25, 2026·Top 29%SaveLearn
Composite fermions in the ν=3 fractional quantum spin Hall effectWell-understood fractional quantum Hall states in GaAs and graphene can be described in terms of weakly interacting composite fermions. It is natural to expect that the same unifying principle…Hongquan Liu, D. E. Feldman·Aug 25, 2026·Top 63%SaveLearn
Scattering-Induced Magnon Layer-Hall Transport beyond Band GeometryThe layer Hall effect has been exclusively attributed to layer-locked Berry curvature, posing a fundamental barrier to its realization in conventional magnets. Here we report a fundamentally distinct…Zhiping Xue, Zhoujian Sun, Xiyin Ye et al.·Aug 25, 2026·Top 17%SaveLearn
A Simple Regularization of the Smooth Quantum Hydrodynamic ModelA simple regularization of the smooth quantum hydrodynamic model equations to prevent an unstable growing mode is proposed. The regularization involves replacing the spatial derivative of the…Carl L. Gardner·Aug 24, 2026·Top 100%SaveLearn
Quantum encoding of structured light into in-plane topological spin texturesStructured light offers a powerful means of controlling light-matter interactions through multiple tunable optical degrees of freedom. Using micromagnetic simulations, we investigate the nucleation…Pavel A. Vorobyev, Daichi Kurebayashi, Oleg A. Tretiakov·Aug 24, 2026·Top 74%SaveLearn
Quaternionic Hermitian Band Geometry in Four Dimensions: Realization on S4 and Obstruction on T4We establish a realization-obstruction dichotomy for quaternionic Hermitian band geometry in four-dimensional parameter spaces: the minimal-charge lowest Landau level on S4 provides a global…Dongju Hwang, Minjae Yu, Gil Young Cho·Aug 24, 2026·Top 49%SaveLearn