# Asymmetric hierarchical acoustic absorber at exceptional point: A loss-induced eigenvalues degeneracy system

> Research article (Physical review. B./Physical review. B, 2024) · cited 20× · AI/ML

**Wikidata**: [openalex:W4392951230](https://www.wikidata.org/wiki/openalex:W4392951230)  
**Source**: https://4ort.xyz/entity/asymmetric-hierarchical-acoustic-absorber-at-exceptional-point-a-loss-induced-eigenvalues-degeneracy-system