On Sun, May 8, 2022 at 7:00 PM Brent Meeker <meekerbr...@gmail.com> wrote:
On 5/8/2022 1:50 PM, smitra wrote: > > >> That the CI is inconsistent with the Schrödinger equation is easy to > > >> see. If the Schrödinger is valid, then the state of a system evolves > > >> in a unitary way. But after a real collapse the state changes in a > > >> non-unitary way. > > > > > > > > *Which is only a problem if one insists that the Schroedinger equation is > the whole of the theory and it is ontic. CI denies the first and says that > measurements are projection operators because a measurements is necessarily > a classical-like result. QBism says the whole theory is epistemic.* > And all of that is fundamentally the same as "shut up and calculate ", they're just dressed up in slightly different philosophical bafflegab. >> If the measurement takes one minute, then the initial state of a patch > > >> of one light-minute diameter around the location of the experiment > > >> maps to a final state of that patch in a unitary way. > > > > *You seem to overlook that this one-light minute sphere also had > incoming particles and radiation which could not be accounted for the > Schroedinger equation.* > If Everett is right then when an electron makes an up/down decision it makes no difference if you think of it as the entire universe instantly splits or as the split expanding outward at the speed of light, either way something that happens on the surface of that expanding sphere can have no effect on its center because no signal can travel faster than light. John K Clark See what's on my new list at Extropolis <https://groups.google.com/g/extropolis> lft > -- 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 everything-list+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/CAJPayv2Lvg3LxCth3AG4HT9Grf%3DrPBD34BWhH70tdXjDCN80HQ%40mail.gmail.com.
