3 papers
physics.optics2026
Imaginary Gauge Fields for One-Way Transparency and Absorption in a Passive Metasurface
Qingdong Yang, Zhongfu Li, Xinhua Wen +3
Electromagnetic nonreciprocity enables waves to respond differently when their propagation direction is reversed, forming the basis of isolation, directional routing, and asymmetri…
physics.class-ph2024
Tellegen responses in metamaterials
Qingdong Yang, Xinhua Wen, Zhongfu Li +2
Tellegen medium has long been a topic of debate, with its existence being contested over several decades. It was first proposed by Tellegen in 1948 and is characterized by a real-v…
quant-ph2024
Pure skin effect obeying power partition in directed graphs
Wenwen Liu, Oubo You, Bumki Min +1
Non-Hermitian physics has received great attention recently. In particular, band structures in non-Hermitian systems can be engineered to exhibit various topological effects. Among…