Re: magnetic monopoles



"Timo Nieminen" <timo@xxxxxxxxxxxxxxxxx> wrote in message
news:Pine.LNX.4.50.0508311541030.25128-100000@xxxxxxxxxxxx
| On Wed, 30 Aug 2005, Ken S. Tucker wrote:
|
| > I start with a 2" que ball and drill in 1/4" dia
| > holes a 1/2" deep, spaced a 1/2" apart and place
| > into those holes cylindrical bar magnets with N
| > pointed out. I could do the same using S pointed
| > out.
| >
| > Irrespective of the orientation of those balls on
| > a pool table the N's will repel the N's and the
| > N's will attract the S's, but by the 1/r^3 rule.
|
| This might leave you with 8 magnets around the equator, one at each of
the
| physical poles, and maybe 4 in each of the mid-latitudes.
|
| I predict a field that falls off as 1/r^7 (at long distances, anyway)
| since you'd have approximately a 2^5 pole source. (What would the
| force between two 2^5 poles be, and how would it depend on the
| orientation? Sounds like something best left for students ... )
|
| With 1 magnet you have a dipole (a 2^1 pole), with 2 holes on opposite
| sides with magnets, you'd have a linear quadrupole, a 2^2 pole, with a
| 1/r^3 potential, and therefore a 1/r^4 field.
|
| A row around the equator gives you a 2^3 pole, with 1/r^4 potential,
and
| 1/r^5 field.
|
| The general formula being 2^n pole, with 1/r^(n+1) potential, and
| 1/r^(n+2) field, where n is the number of rows of magnets from pole to
| pole, counting magnets at the poles as well. Each pair of rows you add
| increases n by 2.
|
| In the limit of the sphere become infinitely densely packed by skinny
| magnets, n goes to infinity, and the external field vanishes.

Hi Timo,

Excellent post. This looks like a macro scenario for field confinement!
I wonder if this could be extended to protons, etc?

I am wondering if you received the email I sent you a couple of days ago
in reference to

http://www.arxiv.org/abs/hep-ph/0508257 ?

FrediFizzx

http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.pdf
or postscript
http://www.vacuum-physics.com/QVC/quantum_vacuum_charge.ps

http://www.vacuum-physics.com

.



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