> It’s more akin to how you need a factor 2pi in either the forward or backward Fourier transform and different fields picked different conventions. Some field

> It’s more akin to how you need a factor 2pi in either the forward or backward Fourier transform and different fields picked different conventions. Some fields even use the unitary transform -- they split the difference and just throw in a 1/sqrt(2pi) in both directions. https://en.wikipedia.org/wiki/Fourier_transform#Angular_frequency_(%CF%89) https://en.wikipedia.org/wiki/Fourier_transform#Angular_freq...