# operator product expansion

> expansion of the product of two local operators inserted close to each other as an asymptotic series with local-operator coefficients

**Wikidata**: [Q3883909](https://www.wikidata.org/wiki/Q3883909)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Operator_product_expansion)  
**Source**: https://4ort.xyz/entity/operator-product-expansion


## References

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