On Wed, Nov 12, 2014 at 2:19 AM, Bruno Marchal <[email protected]> wrote:
> > On 11 Nov 2014, at 13:13, Richard Ruquist wrote: > > That seems contrary to EPR experiments where the split happens faster than > the speed of light. > > > There is no split. Only local differentiation of the first person > experience. Keep in mind that the singlet state I0>I0> - I1>II1> is the > same physical state as I0'>I0'> - I1'>II1'> with Ix'> = Ix> rotated with > any angle. > No split. That seems contrary to MWI. > > > Bruno > > > > > > > On Tue, Nov 11, 2014 at 3:27 AM, LizR <[email protected]> wrote: > >> If David Deutsch is correct, splitting is slower than or at lightspeed, >> and doesn't cause whole universes to diverge (he also says universes are >> only approximations anyway, iirc). In his view there are "bubbles" which >> have split, embedded in larger regions which haven't (at least for a given >> source of decoherence). Presumably these bubbles can intersect, and the >> metaphor breaks down... >> >> The process is irreversible in most cases and for all practical purposes, >> although a qc would be an example of splitting a region of the multiverse >> temporarily, then bringing the "parallel" regions back together again. >> Presumably there is some reversal at the microscopic level, since the >> underlying physics is (I assume) time-symmetric. >> >> >> -- >> 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. >> > > > -- > 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. > > > http://iridia.ulb.ac.be/~marchal/ > > > > -- > 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. > -- 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.
