Re: Earlier or later
From: gptejms (jagmeetus_at_yahoo.com)
Date: 10/04/04
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Date: Mon, 4 Oct 2004 17:21:59 +0000 (UTC)
John T Lowry Wrote:
>
>
> In non-relativistic (NR) theory of Thomson scattering, only the
> 1st-order AA "seagull" Feynman graph (simultaneous absorption and
> emission) is taken into account. In the (more accurate) relativistic
> theory, on the other hand, that seagull graph is replaced by two
> graphs,
> in each of which photons are absorbed and emitted one at a time. One
> of
> the graphs has absorption first (in time), the other has emission
> first.
>
> John Lowry
> Flight Physics
So what is the conclusion John?If a photon can be emitted even before
being absorbed,does this not mean that the time order is sort of
getting blurred here?I've also heard of delayed compton effect---is it
similar in spirit?
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