qm – Commands for bras and kets and the like
The commands (\bra and \ket, etc.) operate both in text and maths mode (the arguments are set as maths).
Maybe you are interested in the following packages as well.
- feynman: Feynman diagrams in LaTeX 2.09
- geophysics: Articles for the journal Geophysics
- hep-gen: Generic macros for quantum physics
- bsf: Access bold computer modern sans in LaTeX 2.09