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physics.optics2026
Magic-free coexisting photonic and phononic moiré flat bands
Ziming Chen, Kaiyu Cui, Ning Wu +8
Moiré flat bands enhance localization and interactions through suppressed group velocity, but existing approaches largely target a single physical field because distinct excitation…
physics.optics2025
Arbitrary-order exceptional points in a nanomechanical cavity
Ning Wu, Kaiyu Cui, Ziming Chen +7
Exceptional points (EPs), non-Hermitian spectral singularities, shape the evolution dynamics ranging from topological mode control to high-precision sensing. Higher-order EPs unloc…