[NewCandle] Image magnetic monopole charge

[Nick Reiter]

Hi Keith,

While pricey in one sense, the availability of experimenter-friendly amounts of Bi2Te3 in the form of old Peltier couples is hard to deny.  I've got some high current couples with fairly big (like 3mm x 3mm x 5mm) "blocks" of Bi2Te3.  Now of course a typical Peltier chip consists of a bunch of couples in series - so you have two flavors to choose from, n and p.  I don't know what the dopant is.  Maybe Sn or Sb.  Somehow I gathered that the optimum alloy was slightly p doped with the .67% at of Sn.

One of the more recent observations I made whilst farting around with the force effect, maybe last year some time, was that it seemed proportional to current, not power dissipated.  However, I also had tried placing large magnets nearby to assure it wasn't a motor effect of the leads with the earth's field.  No change in result - indicating my lead arrangement and the up and down fields of the couples were balanced.  OTOH, if I had been generating monopoles, then wouldn't that have developed a torque with the magnet to a greater degree than the earth field?  Unless the presence of the strong magnet might have squelched or scattered the monopoles or their formation somehow.

So many odd quirks, I should probably re-examine in light of the new ideas.  Why some chips just didn't work at all, while others from a different vendor (but same size) did.  Why sometimes I could get an additive effect by stacking and wiring in series or parallel, but not other times.  The neat thing was that when I would find a chip that showed the effect to a good degree, it ALWAYS shows the effect.  Which places it a notch above radionics and perpetuum mobiles.

The chips that showed the effect best were modest (maybe 12W) chips that would run no more than 1.5 amps of current, from a firm called Melcor.  Scott Little had used a larger chip from another mfg, got the effect, but then felt it was due to lead strain, because it diminished when he used superthin foil leads.  He sent their rig to me, and I was able to coax a decent effect out of it.  But working on only so much of a budget, they dropped it after about that point, understandably.  With an IR switched relay and battery set up in about 2000, I was able to show the effect with no connected lead wires at all.

Nevertheless, if the Peltier couple is a red herring, and the Bi2Te3 is the issue, that could explain why I never was able to scale the danged force effects I was seeing past about 2 or 3 mg for a single chip, maybe 10 to 12 a couple times for stacked chips.  It always nagged me that there was some limiting variable I just wasn't seeing... whether it was all an artifact or no!

n


> So Nick, that paper is claiming
> Bi2Te3 potentially supports magnetic
> monopoles.
> These would be formed by the presence of electric charge
> near the surface
> of the material. I'm thinking that a very simple experiment
> would involve
> depositing a metal film on the Bi2Te3, charging it to a
> high potential,
> and looking for the presence of a magnetic field. _Any_
> field would be
> anomalous. A single charge should create a monopolar
> magnetic field.
> Makes me wonder if that force anomaly you were seeing could
> be related
> to monopoles accumulating in the material???
> 
> I remember our discussions about the force anomaly, but
> forgot what
> material made it work. Thanks for reminding me.
> 
> K.
> 
> 
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