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Old February 22nd 08 posted to sci.physics.relativity
Jay R. Yablon
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Posts: 653
Default Kaluza-Klein paper unifying electrodynamics and gravitation -- PLEASE REVIEW AND COMMENT

"Sue..." wrote in message
...
.. . .
Your observations ring true: :-)

But electrical masses have long presented a dilemma,
because the electrical mass of a material body, say, an
electron, is not equal to its inertial mass, and this
inequivalence is the mainspring of the forces we feel
which clearly, as a physical sensation, differentiate the
acceleration of Newton's a=F/m from that of the
gravitational a=9.8 meters/sec2 near the surface
of the earth. The General Theory of Relativity, in the
end, captured inertial motion and its close
cousin of free-fall motion in a gravitational field,
in the most elegant way, as simple geodesic
motion in a curved Riemannian geometry along
geodesic paths which coincide precisely with the
paths one observes for bodies moving under
gravitational influences. But the electrical motion
of the Lorentz force has long been the "odd man out,"
because it was something distinct from
gravitation: it did not appear to follow a geodesic path,
and it did not "feel" like inertial or
gravitational free fall motions because it created
the sensation of a force which we can measure
when we place a scale between ourselves and the
ground on which we stand or the elevator
which accelerates us upward, because of the collective
electrical repulsion between billions of
electrons in our bodies and billions more in the
surface against which we are pressing.

The key to unlocking this mystery, and ultimately,
to placing gravitation and electromagnetism within the
same framework, is to understand the motion of electrical
masses - as governed by the experimentally-grounded
Lorentz force law - as geodesic motion no less that
that of gravitation, but in a spacetime that is extended
to contain a single additional fifth dimension: the
dimension first proposed long ago by Kaluza and Klein.
By placing electrical masses onto their own geodesics
in a five-dimensional Riemannian geometry which embeds the
spacetime of our daily experience into its seamless
fabric, we find that the long-standing quest to
unite gravitation and electrodynamics may finally
arrive at a safe haven on a firm foundation.
--J.R. Yablon
http://jayryablon.files.wordpress.co...in-2-22-08.pdf

When should we expect pages 37 through ~75 to formalise
a plausible mechanism along these lines?:

-- C. P. Kouropoulos
http://arxiv.org/abs/physics/0107015

Sue...

Well why don't you try somewhere in the first 36 pages. Maybe start
just with sections 2 and 3 and let me know if you think the premises are
sound.

Jay.


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