Re: Dumb LQG question

From: Creighton Hogg (wchogg_at_hep.wisc.edu)
Date: 07/25/04 

Date: 25 Jul 2004 09:16:44 -0400

On 23 Jul 2004, Uncle Al wrote:

>
> Creighton Hogg wrote:
> >
> > Hi,
> > I was wondering what testable predictions there were coming out of Loop
> > Quantum Gravity? I tried looking up phenomenology related to LQG on arXiv
> > and came up empty handed. Are there any deviations from the Standard
> > Model that we should see at LHC or other next generation colliders due to
> > quantum gravity effects?
> > Thanks
>
> To the best of my knowledge, LQG cannot reproduce General
> Relativity or any other macroscopic prediction (the
> reconstruction problem). Theorists can describe what seems like
> the stage of spacetime but they do not yet know which lines and
> direction to give the actors so that they recreate the play.
>
> That is as good as theory can be for its practitioners - pencil,
> paper, but no wastebasket.

Well I'm hoping it's not as bad as all that. I'm working in experimental
particle physics now, and I probably will for quite some time. I'd like
to know what the current theories can give us to look for.

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