# sigma model

> field theory of a point particle confined to move on a fixed manifold

**Wikidata**: [Q7512415](https://www.wikidata.org/wiki/Q7512415)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sigma_model)  
**Source**: https://4ort.xyz/entity/sigma-model


## References

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