And some funny comments:
Christine
Is it not an i missing in the second term?
Then it is just a case of taking what is real or imaginary in your physics feelings.
Best,
Christine
Hi dberenstein,
Yes, of course, but I think you have missed my point! [Only in an imaginary world you'd have too much time and little to do! At least for a physicist!]
Best,
Christine
Todd
For me, f(t) is less than epsilon where epsilon is less than 10^-12.
Christine
Yet my joke does not work in Hilbert spaces…
Lionel
The reason f(t) stays close to zero is due to the quantum Zeno effect. I recommend not making any rapid repetitive measurements on “physics” when you have too many other things to do =)
For more details check Shores of Dirac.
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