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To: Daffynition

They’re not real monopoles. What the article describes is a technique by which a physicist or engineer can decide where exactly an object’s north and south poles should be. You can move them around over the surface of the object, but ultimately they still always come in pairs and there’s always contiguous spin alignment between them.

It’s a little bit like if I made a necklace made of bar magnets and claimed I had invented a monopole because I can hold up the north end of the necklace while leaving the south end dangling somewhere out of sight.


3 posted on 10/15/2009 3:09:58 PM PDT by Omedalus
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To: Omedalus

How magnetricity works in spin ice Dy2Ti2O7: (a) In zero field, magnetic charges occur as bound pairs, but some dissociate to give a fluctuating magnetic moment (green arrow). (b) The field energy competes with the Coulomb potential to lower the activation barrier to dissociation. (c) Applying a transverse field causes dissociation as charges are accelerated by the field. (d) In the applied field, these charges remain dissociated while more bound pairs form to restore equilibrium. Magnetic moment fluctuations due to free charges produce local fields that are detected by implanted muons (+).

5 posted on 10/15/2009 3:14:31 PM PDT by Daffynition (What's all this about hellfire and Dalmatians?)
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To: Omedalus

This is lame then.


6 posted on 10/15/2009 3:14:33 PM PDT by Paladin2 (Big Ears + Big Spending --> BigEarMarx, the man behind TOTUS)
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To: Omedalus

If you picture the spin ice as a closed system, then they’re just as much true monopoles as electrons are true negative electrical poles in our universe and protons true positive poles.


7 posted on 10/15/2009 3:17:19 PM PDT by OldGuard1
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To: Omedalus
Newly Discovered Magnetic Monopole Particles Flow Like Electric Currents

Inflation lives!

16 posted on 10/15/2009 4:42:57 PM PDT by samtheman
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To: Omedalus; cogitator

Oddly written article.

Shows how poorly “almost all” science is written up nowdays.


31 posted on 10/15/2009 10:07:57 PM PDT by Robert A Cook PE (I can only donate monthly, but socialists' ABBCNNBCBS continue to lie every day!)
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