On Tue, Oct 15, 2019 at 7:05 AM 'Brent Meeker' via Everything List < [email protected]> wrote:
> On 10/14/2019 12:00 PM, John Clark wrote: > > On Mon, Oct 14, 2019 at 2:20 PM 'Brent Meeker' via Everything List < > [email protected]> wrote: > > > *Part of the dislike of the MWI is that its proponents assume a purity >> that is not an evident virtue of the intepretation. For example, >> interpreting the squared amplitudes as probabilities seems to be assumed,* >> > > It's not assumed its concluded based on overwhelming experimental evidence > > > But in the theory that's just adding the Born rule on empirical evidence. > For the same reason it implies that only one world is realized. > > and the fact that Gleason's theorem tells us that in 3 > spatial dimensions the Born Rule is the only way probability can be > unitary. > > > Given unitary evolution you mean. Probability can be conserved just by > renormalizing as in CI, whatever the rule. > Also in MWI. You still have to renormalise the probability once you see the result -- know which branch you are in. Exactly as you have to renormalize the energy according to the result you get. Where is this requirement encoded in the SWE? Bruce -- You received this message because you are subscribed to the Google Groups "Everything List" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAFxXSLSpMi6ovm3PHAjJ%3DrJKzcYdsk9NvPKp8Pby3Yjt-d6RUQ%40mail.gmail.com.

