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cond-mat.mes-hall2025★ 1 cited
Anomalous Chern-Simons orbital magnetoelectric coupling of three-dimensional Chern insulators: gauge-discontinuity formalism and adiabatic pumping
Yang Xue, Jianpeng Liu
Chern-Simons orbital magnetoelectric (OME) coupling is usually the hallmark of nontrivial band topology in three-dimensional (3D) crystalline insulators. However, if a 3D insulator…
quant-ph2025
Two-photon scattering in a waveguide by a giant atom
Yang Xue, Yu-xi Liu
We study two-photon scattering by a two-level giant atom in a waveguide. We first study the case that the giant atom is coupled to the waveguide via two coupling points, and obtain…