Poles of the density function in nonlinear waves form virtual Dirac monopoles with quantized charges ±3/2 and ±5/2, in contrast to the ±1/2 charges previously associated with simple zeros.
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A scale-free topological directional amplification is found in the Hatano-Nelson model with perturbed open boundaries, attributed to first-order boundary effects and characterized by a winding number on a continuous generalization of the finite-size Brillouin zone.
Sublattice-selective interlayer hybridizations in twisted bipartite lattice heterobilayers generate tunable zero-energy flat bands possessing finite Berry curvature and Chern-insulator-scale quantum metric.
A symmetry-based stacking strategy with layer-flip realizes odd-parity altermagnetism from nonrelativistic orbital orders, hosting quantum spin Hall phases with helical edge states.
Observation of temperature-independent anomalous Hall effect in 68 nm pure bismuth film from 15 mK to 300 K, proposed as intrinsic due to surface Berry curvature.
Doping the Kane-Mele-Hubbard model at filling ν=1 induces quantum anomalous Hall crystals with skyrmion spin textures and topological domain walls hosting chiral modes.
citing papers explorer
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Dirac monopole potentials with high charges underlying nonlinear waves
Poles of the density function in nonlinear waves form virtual Dirac monopoles with quantized charges ±3/2 and ±5/2, in contrast to the ±1/2 charges previously associated with simple zeros.
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Scale-Free Response with Directional Amplification in Critical Non-Hermitian Systems
A scale-free topological directional amplification is found in the Hatano-Nelson model with perturbed open boundaries, attributed to first-order boundary effects and characterized by a winding number on a continuous generalization of the finite-size Brillouin zone.
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Quantum Geometry of Moir\'e Flat Bands Beyond the Valley Paradigm
Sublattice-selective interlayer hybridizations in twisted bipartite lattice heterobilayers generate tunable zero-energy flat bands possessing finite Berry curvature and Chern-insulator-scale quantum metric.
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Odd-Parity Altermagnetism Originated from Orbital Orders
A symmetry-based stacking strategy with layer-flip realizes odd-parity altermagnetism from nonrelativistic orbital orders, hosting quantum spin Hall phases with helical edge states.
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Observation of Temperature Independent Anomalous Hall Effect in Thin Bismuth from Near Absolute Zero to 300 K Temperature
Observation of temperature-independent anomalous Hall effect in 68 nm pure bismuth film from 15 mK to 300 K, proposed as intrinsic due to surface Berry curvature.
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Doping-induced Quantum Anomalous Hall Crystals and Topological Domain Walls
Doping the Kane-Mele-Hubbard model at filling ν=1 induces quantum anomalous Hall crystals with skyrmion spin textures and topological domain walls hosting chiral modes.