Re: Self-forces

"Eric Gisse" <jowr.pi@xxxxxxxxx> wrote in message
news:1158665538.973346.181720@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

mmeron@xxxxxxxxxxxxxxxxxx wrote:
In article <1158653398.319133.311870@xxxxxxxxxxxxxxxxxxxxxxxxxxxx>,
"Eric Gisse" <jowr.pi@xxxxxxxxx> writes:


What about gravitation?

Didn't even touch on this (and I doubt anybody did). In principle,
taking relativity into account, no particle can be truely
"elementary"
if it has finite extent. But if it has zero extent with finite
mass,
it represents an infinite mass density which runs afoul of gravity.
So, a quantum theory of gravity is needed. It is too late for us
old
foggies, so we'll leave the job to you:-)

I know I'm interested in gravity. That much is clear to me. What I
can't decide is whether I'm more interested in being an
experimentalist
looking for a hole in gravity as we understand it, or as a researcher
building new theories.

To me it is abundantly clear which one is needed more, but I need
another oh, say, 5 years of education first before I can make a useful
crack at either. Hopefully someone will either observe something cute
that can't be explained, or technology will improve enough to probe
Just A Little Further as with particle physics. GR is wrong - it has
to
be. The question is *where* is it wrong.

Tricky question. ;-) GR is not wrong with respect to our spacetime,
IMHO. Macroscopically. The problem could stem from the concept that
there is a dual spacetime scenario at work here and GR as currently
formulated cannot accomodate a description of both. Super-GR is needed.
Is there any clues in what Frank Wilczek is alluding to with "phantom"
matter and hidden sectors?

"Higgs-field Portal into Hidden Sectors"
http://www.arxiv.org/abs/hep-ph/0605188

FrediFizzx

Quantum Vacuum Charge papers;
http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.pdf
or postscript
http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.ps
http://www.arxiv.org/abs/physics/0601110
http://www.vacuum-physics.com

.

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