Time as self-adjoint operator?

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  • #1
arivero
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Main Question or Discussion Point

It has been asked if there exists an operator representing time. I remember some negative answers, but I do not remember the arguments.

In relativistic QM this relates to the non-existence of position operators; we are working with an (t,x,1,x2,x3) vector there. Also I believe to remember some provlem with velocity operators -its eigenvectors been only +c and -c, or so- but I am unsure about if both questions are related.

also, Energy-time indetermination is usedto estimate decay rates of particles. But there an operator is not invoked.
 

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  • #2
damgo

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