Le sam. 16 nov. 2024, 14:59, John Clark <[email protected]> a écrit :
> On Fri, Nov 15, 2024 at 9:58 PM Bruce Kellett <[email protected]> > wrote: > > *> one somehow has to relate the amplitudes of the wave function basis >> vectors to the probabilities. * > > > *True. And if the amplitude of the wave function of an electron at a point > is 1/√2 (or 0.5 + 0.5i since it's a complex function) and if you take the > square of the absolute value of that amplitude then you get 0.5, which an > experimentalist will note is also the probability of observing the electron > at that point. * > > * > MWI does assume that the wavefunction is a real physical object, * > > > *It seems to me that you're OK with assuming that the wave function is a > "real physical object", whatever that precisely means, as long as it > predicts something that you're comfortable with, but as soon as it makes > you uncomfortable it suddenly becomes unreal and you declare that people > should stop believing what the equation is saying. * > > *It's interesting that in the modern physics community the long debate > about whether at the deepest level things are made of particles or waves is > largely over, and waves have won. The vast majority of new papers about > fundamental physics are about Quantum Field Theory not particles; and even > in papers where they do mention particles, nearly all the calculations they > do to figure out what they will do involve quantum waves and fields, not > other particles. Let me put it another way, particles are what we observe > but if you want to calculate what particle will result when particle X > interacts with particle Y your calculations will almost entirely be about > fields and waves. * > > *> And since the Schrodinger equation is deterministic, introducing a >> probability interpretation is problematic.* > > > *Many Worlds has no problem with that. Let's say you calculate with > Schrodinger's Equation and the Born Rule and figure out there will be a 75% > chance you will see the electron move left and a 25% chance you will see > the electron move right. You set up your equipment to actually perform the > experiment, you then put on a blindfold and push the "on" button. If Many > Worlds is correct there is a 75% chance you are now in the "electron moves > left" world, but with the blindfold still on you have no way of being > certain. However if somebody gave you even odds and bet you $10 that you > were in the "electron moves right" world you would be wise to take that > bet. And if you repeated that experiment many times you could make an > arbitrarily large amount of money. * > Who's you who make that large amount of money ? Are the 1/4 you who lose are less real ? 3/4 less real so they're not you ? Living in a 1/4 real world feel is 3/4 less vivid than 3/4 world ? The only valid meaning is a frequentist view .. but again there is a you witnessing continuously impossible things... yes, it is the one living in an infinitesimally reality... does this reality is less real 🤔? Quentin > > *John K Clark See what's on my new list at Extropolis > <https://groups.google.com/g/extropolis>* > rmt > > > -- > 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 visit > https://groups.google.com/d/msgid/everything-list/CAJPayv1qofHd1Z2D8_XJWu8Ag2Guh2fD0%3Di7VJ40xt-s%3DJZKjQ%40mail.gmail.com > <https://groups.google.com/d/msgid/everything-list/CAJPayv1qofHd1Z2D8_XJWu8Ag2Guh2fD0%3Di7VJ40xt-s%3DJZKjQ%40mail.gmail.com?utm_medium=email&utm_source=footer> > . > -- 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 visit https://groups.google.com/d/msgid/everything-list/CAMW2kAqLqmyagcF-U8YJ2dq4fwG%2BS%3DQ0yjqz7bBpJAmG1d9pVA%40mail.gmail.com.
