# bra–ket notation

> notation for quantum states

**Wikidata**: [Q59090](https://www.wikidata.org/wiki/Q59090)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bra–ket_notation)  
**Source**: https://4ort.xyz/entity/bra-ket-notation


## References

1. Freebase Data Dumps. 2013