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).

Sources	`/macros/latex209/contrib/misc/qm.sty`
Version	1.1
Maintainer	Norbert Christlieb
Topics	Physics
See also	braket

Maybe you are interested in the following packages as well.