Re: New version of a relativity FAQ

Juan R. says...

Daryl McCullough wrote

Juan R. says...

The question is not if the classical geometry may be abandoned at
quantum level (yours is a triviality everyone knowns). My question was
more deepd and was that it *is* the emphasis on a classical geometric
theory of gravitation which has impeded the quantization during decades.

That's completely false.

Let us see :-)

Work on quantum theories of gravity have *not*
all emphasized geometry. The string theory attempts don't treat gravity
as geometrical.

The superstring approach treats gravity as a field over a *background*.

Right. It does not treat gravity as geometry. So you are wrong to say
that the emphasis on geometry has impeded them.

This was not at all difficult because reuse tools from quantum field
theory. But, and this the important point you *omit*, superstring is not
completely equivalent to GR in the classical limit.

So what? Your claim, that the geometric view of GR is impeding
research on quantizing gravity was false, because many attempts
at quantizing don't use the geometric view. Your claims are
nonsense.

In any case there is so many mistakes and ill-defined points in the
geometers approach, that almost 100% of particle physicists have rejected
that way.

You are contradicting yourself. If particle physicists reject the
geometric view, then how can the geometric view be impeding their
research?

--
Daryl McCullough
Ithaca, NY

.

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