> On 28 Nov 2019, at 19:38, Lawrence Crowell <goldenfieldquaterni...@gmail.com> 
> wrote:
> On Thursday, November 28, 2019 at 12:12:22 PM UTC-6, Brent wrote:
> On 11/27/2019 11:51 PM, Philip Thrift wrote:
>> On Wednesday, November 27, 2019 at 5:39:09 PM UTC-6, Lawrence Crowell wrote:
>> On Wednesday, November 27, 2019 at 4:51:55 PM UTC-6, Bruce wrote:
>> On Thu, Nov 28, 2019 at 9:29 AM John Clark <johnk...@gmail.com <>> wrote:
>> On Wed, Nov 27, 2019 at 5:13 PM Bruce Kellett <bhkel...@gmail.com <>> wrote:
>> > I think your [Brent Meeker] point about other conservation laws is 
>> > interesting -- especially charge. How would you divide the charge of a 
>> > state among the superposed basis states according to the Born rule and get 
>> > charge conservation in every branch?
>> Our branch of the multiverse is electrically neutral and it seems likely all 
>> of them are, so preserving conservation of charge doesn't seem like much of 
>> a problem.
>> Consider firing an electron at a screen. There are a very large number of 
>> sub-branches created -- one for every position that the electron can land. 
>> There was only one negative charge originally -- now there are a very large 
>> number. Where did the extra charges come from?
>> Bruce
>> The electric charge in one branch is the same electric charge in all other 
>> branches.
>> LC 
>> So the number of coulombs  in a branching Many Worlds grows exponentially .
>> Under the 2019 redefinition of the SI base units 
>> <https://en.wikipedia.org/wiki/2019_redefinition_of_the_SI_base_units>, 
>> which took effect on 20 May 2019,[2] 
>> <https://en.wikipedia.org/wiki/Coulomb#cite_note-BIPM9-2> the elementary 
>> charge <https://en.wikipedia.org/wiki/Elementary_charge> (the charge of the 
>> proton <https://en.wikipedia.org/wiki/Proton>) is exactly 1.602176634×10−19 
>> coulombs. Thus the coulomb is exactly the charge of 1/(1.602176634×10−19) 
>> protons, which is approximately 6.2415090744×1018 protons (1.036×10−5 mol 
>> <https://en.wikipedia.org/wiki/Mole_(unit)>). The same number of electrons 
>> <https://en.wikipedia.org/wiki/Electron> has the same magnitude but opposite 
>> sign of charge, that is, a charge of −1 C.
>> This was the issue about mass raised weeks ago when Sean Carroll's book came 
>> out.
>> There has never been an answer.
> If you think in terms of the wf of the multiverse, it's just a ray in Hilbert 
> space and moves around.  It doesn't split.  What "splits" is the subspace 
> we're on.  So when we measure a spin as UP or DOWN, our subspace splits into 
> two orthogonal subspaces on which the ray projects.  But they are only 
> orthogonal on that one dimension (the spin of that particle), so any other 
> variable encoded in the ray gets projected with the same value as before, 
> e.g. the energy or the particle.
> Brent
> That is more in line with what is going on. The charge of an electron, along 
> with all other quantum numbers of the electron or any elementary particle, is 
> not duplicated. It only appears in any sort of branch and with the 
> renormalization of probability there is this mistaken idea of duplication. 
> Nothing is duplicated any more than a superposition of basis states implies 
> duplication.  That ray in Hilbert space is projected onto a tangent vector in 
> projective Hilbert space along a geodesic. The observer is just forced into 
> observing that evolution with the vector projected once again onto a certain 
> basis element. 
> Now how that happens with the measurement being ultimately nonlocal, with it 
> might be added an ambiguity as to the probability at the measurement, is an 
> open question. In MWI there is no fundamental localization of a wave 
> function, so assigning that projectivization is ambiguous. However, we may 
> "cheat" and say the phenomenological appearance of a localization by the 
> observer acts as this projectivization that appears as a collapse. 
> Nothing is fundamentally duplicated.

OK. Like with Mechanism in arithmetic, there is only first person 
self-differentiation, which appears as self-projection in consistent histories, 
which all exists in an atemporal static embedded in the (structured) collection 
of all computations.


> LC
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