On Friday, January 11, 2019 at 7:40:13 PM UTC, Brent wrote: > > > > On 1/11/2019 1:54 AM, [email protected] <javascript:> wrote: > > > *How can you prepare a system in any superposition state if you don't know > the phase angles beforehand? You fail to distinguish measuring or assuming > the phase angles from calculating them. One doesn't need Born's rule to > calculate them. Maybe what Bruce meant is that you can never calculate > them, but you can prepare a system with any relative phase angles. AG * > > > In practice you prepare a "system" (e.g. a photon) in some particular but > unknown phase angle. Then you split the photon, or entangle it with another > photon, so that you have two with definite relative phase angles, and with > the same frequency, then those two branches of the photon wave function > can interfere, i.e. the photon the interferes with itself as in the Young's > slits experiment. So you only calculate the relative phase shift of the > two branches of the wf of the photon, which is enough to define the > interference pattern. > > Brent >
*Can a photon be split without violating conservation of energy? In any event, I see my error on this issue of phase angles, and will describe it, possibly to show I am not a complete idiot when it comes to QM. Stayed tuned. AG* -- 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 post to this group, send email to [email protected]. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
