On Thursday, November 15, 2018 at 7:37:58 PM UTC, Brent wrote: > > > > On 11/14/2018 11:23 PM, Philip Thrift wrote: > > > > On Wednesday, November 14, 2018 at 6:55:36 PM UTC-6, agrays...@gmail.com > wrote: >> >> >> >> On Wednesday, November 14, 2018 at 10:20:09 PM UTC, Pierz wrote: >>> >>> Obviously you can't measure the particle simultaneously in the up and >>> down state. Nobody believes that. Nobody is arguing it. >> >> >> *Haven't you ever heard of physicists, some prominent who write books >> about QM for the lay public, who assert that one of the mysteries of QM is >> that a particle can be in two places at the same time, or cats can be alive >> and dead simultaneously, or spin can be Up and Dn simultaneously? If you >> haven't, you're not paying attention. AG* >> >> >>> > *"a particle can be in two places at the same time"* > > > A path-integral realist (one who is "starting from a framework in which > *histories* are fundamental")* might formulate it this way: > > "a particle can have multiple histories — only one of which survives > measurement" > > > Don't you need multiple histories to account for interference effects? >
*For the simple case of two histories, presumably of particles, how does Feynman introduce interference? What's the conceptual framework for interference among or between histories? TIA, AG * > > Brent > > > > * *Hilbert Spaces from Path Integrals* > https://arxiv.org/abs/1002.0589 > > - pt > -- > 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-li...@googlegroups.com <javascript:>. > To post to this group, send email to everyth...@googlegroups.com > <javascript:>. > Visit this group at https://groups.google.com/group/everything-list. > For more options, visit https://groups.google.com/d/optout. > > > -- 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 post to this group, send email to everything-list@googlegroups.com. Visit this group at https://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
