Recent content by usphys

is it correct to assume that there is an observable violation in removing the real part and that is why it is greater than or equal to just the imaginary?

So I'm working on the proof of the generalized uncertainty principle and there is a step that I'm not fully understanding. There is a line were it says that for any complex number we can write the inequality as [Re(z)]^2 + [Im(z)]^2 >/ [Im(z)]^2. why are we able to get rid of the real part on...