If you write in LaTeX as much as I do, you could find this tip useful.
Since I’m a physicist, I work a lot with Fourier Transformations, which could carry an annoying factor of in the denominator.
A notation that might be useful for reducing the typing is the use of the bar notion as in “hbar”, .
Thus, I search for it, and finally got the following,
will define a command \dbar which allows us to write