Re: Question - Unification
From: Tom Roberts (tjroberts_at_lucent.com)
Date: 12/23/04
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Date: Thu, 23 Dec 2004 09:56:17 -0600
Dean wrote:
> What is the explanation for the unification of the Electro-weak and
> Strong Nuclear forces with Electro-magnetism?
The hope and dream is that there is a single underlying theory with a
"nice" gauge group that describes all of physics. But at the low
energies reachable by our laboratories this "nice" gauge group gets
broken into the 4 different forces we observe: Strong, Weak,
Electromagnetic, and Gravity. There is some phenomenological evidence
for this, but so far nobody has found a convincing candidate for that
underlying theory.
> Are they represented as
> solutions to Maxwell's equations?
Good heavans, no! Maxwell's equations are classical, and the standard
model is quantum mechanical. The best theory of gravitation we have, GR,
is also classical, and finding a quantum theory of gravity is a major
thrust of current theoretical physics.
Tom Roberts tjroberts@lucent.com
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