On Thursday, October 15, 2020 at 4:51:13 PM UTC-6, Jason wrote: > > I noticed that Victor Stenger's position on entropy, as described here: > https://arxiv.org/pdf/1202.4359.pdf on page 7, appears to be the same as > described by the cosmologist David Layzer in a 1975 issue of Scientific > American: > https://static.scientificamerican.com/sciam/assets/media/pdf/2008-05-21_1975-carroll-story.pdf > > The basic idea, which is described graphically here: > https://www.informationphilosopher.com/solutions/scientists/layzer/arrow_of_time.html > > It is a counter-argument to the commonly expressed idea that the universe > began in a low entropy state. Rather, it explains how the expansion of the > universe increases the state of maximum possible entropy. If the universe > expands more quickly than an equilibrium can be reached, then there is room > for complexity (information / negative entropy) to increase. > > Why is it that the "low entropy" myth is so persistent, and this alternate > explanation is so little known? Some physicists, such as Penrose are still > looking for alternate explanations for the special low entropy state. What > fraction of physicists are aware of Stenger's/Layzer's view? Does it appear > in any physics textbooks? Has it been refuted? > > Jason >
*If the very early universe is a hot photon gas, wouldn't that be a very high entropy initial condition? Why would anyone think the initial state is low entropy? 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 view this discussion on the web visit https://groups.google.com/d/msgid/everything-list/5671c379-899b-4ce7-bff7-6089e694901ao%40googlegroups.com.
