Cond-mat Update

Tue, 22 September 2026 from PRL (24 papers)
Giant and Helical Exciton Dipole from Berry Curvature in Flat Chern Bands
Nonlinear Optical Probing of Ferroic Octupolar Order Parameter in Collinear Altermagnet
Topological Flat Bands and Fractional Chern Insulators in Rashba Systems with Tunable Superlattice Potentials
Quantum-Geometry-Driven Exact Ferromagnetic Ground State in a Nearly Flat Band
Extending Topological Bound on Quantum Weight beyond Symmetry-Protected Topological Phases
Crosstalk and Oersted Field Interference Resolve the Hidden Spin-Wave Puzzle in Hematite
Ultrafast Demagnetization Governed by Spin Fluctuations in ${\mathrm{CaRuO}}_{3}/{\mathrm{SrTiO}}_{3}$ Superlattice
Room-Temperature Generation and Electric-Current-Driven Manipulation of Isolated Fractional Antiskyrmions in a Chiral Magnet
Thermodynamic Evidence of Tetracritical Topology in the $H\text{−}T$ Phase Diagram of ${\mathrm{UTe}}_{2}$ for $H∥b$
Tomographic Characterization of Non-Hermitian Hamiltonians in Reciprocal Space
Directional-Locked Switching in Sliding Ferroelectrics Driven by Improper Mechanism
Disorder-Driven Enhancement of Coulomb Repulsion Governs the Superconducting Dome in Ionic-Liquid-Gated Quasi-2D Materials
Unconventional Anisotropic Charge Dynamics in Bulk $1T\text{−}{\mathrm{TaS}}_{2}$ Induced by Interlayer Dimerization
Magnetic Skyrmion Interacting with Optical Skyrmion
Giant Domain Walls and Intrinsic Heterogeneity in 214 Cuprate Superconductors
Crossover to Sachdev-Ye-Kitaev Criticality in an Infinite-Range Quantum Heisenberg Spin Glass
Direct Observation of Antimagnons with Inverted Dispersion
Dual Instability of Superconductivity from Oxygen Defects in ${\mathrm{La}}_{3}{\mathrm{Ni}}_{2}{\mathrm{O}}_{7+δ}$
Superconductivity in the Repulsive Hubbard Model on Different Geometries Induced by Density-Assisted Hopping
Self-Organized Defect Phases along Dislocations in Irradiated Alloys
Probing Ground-State Degeneracies of a Strongly Interacting Fermi-Hubbard Model with Superconducting Correlations
Non-Abelian Route to ${Z}_{2}$ Non-Hermitian Skin Effects
Nanoscale Mapping of Magnetic Orientations with Complex X-Ray Magnetic Linear Dichroism
Effective Residual Interaction Kernel Approach for Optical Spectra