# Zero sound

> Collective excitation in a Fermi liquid

**Wikidata**: [Q4327976](https://www.wikidata.org/wiki/Q4327976)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Zero_sound)  
**Source**: https://4ort.xyz/entity/zero-sound


## References

1. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)