The Big Bang fireball was a quark-gluon plasma which has been recreated in several high energy colliders. That plasma is characterized as a BEC in which all particles share the same wave function, so they say. I would expect that a BEC is very low entropy. Is that true?
On Fri, Nov 7, 2014 at 6:02 AM, LizR <[email protected]> wrote: > On 7 November 2014 22:30, Bruce Kellett <[email protected]> wrote: > >> No, my main problem with identifying the expansion of the universe as the >> origin of the arrow of time is that the expansion of the universe really >> has essential zero impact on the everyday physics of our experience, but we >> see a consistent AoT associated with increasing entropy in every phenomenon >> of our everyday experience. Sure, what happened in the early universe has >> had lasting consequences for our everyday life, but any connection with the >> expansion is too remote to provide a plausible explanation of the >> consistency of our experience of time. So the increase of entropy itself -- >> whose universality is easily understood -- is itself the origin of the AoT. >> > > So you don't think that the creation of bound states in the BB fireball is > a significant contribution to the entropy gradient? > > I don't think you can cite the "remoteness of the Hubble flow" (as it > were) as a reason to discount expansion as a source of the AOT (I assume > you think that because bound systems are effectively separated out from > it?). All the matter around us was once in the big bang fireball, and if > that's where the conditions that created the entropy gradient originated > then we would expect there to be a connection, although it may not be an > immediately obvious one. > > -- > 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.
