On 10 November 2014 02:30, Stephen Paul King <[email protected]> wrote:
> Hi Alberto, > > you wrote: "There must not be a general arrow of time since time in > general relativity is local not only in his value but also its direction > AFAIK" > > Exactly! Time can be shown to be local for QM systems as well. So, > where does the illusion of a global dimensional time come from? Barbour is > right. It doesn't exist. But the illusion persists... > > Perhaps it comes from some large-scale temporal asymmetry imposed on the otherwise time-symmetric laws of physics, such as the universe have a singularity (or something very like one) at one temporal extremity, and timelike infinity at the other. That pushes the question of (apparent?) global time back to the reason why space-time has this large scale structure. -- 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 http://groups.google.com/group/everything-list. For more options, visit https://groups.google.com/d/optout.
