# roton

> collective excitation in superfluid helium-4 (a quasiparticle)

**Wikidata**: [Q1086480](https://www.wikidata.org/wiki/Q1086480)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Roton)  
**Source**: https://4ort.xyz/entity/roton


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)