On Saturday, October 5, 2019 at 11:41:25 AM UTC-5, Alan Grayson wrote: > > > > On Saturday, October 5, 2019 at 7:57:59 AM UTC-6, Lawrence Crowell wrote: >> >> >> >> They came to equilibrium, and what thermal fluctuations that deviated >> away from equilibrium were "ironed out" by inflation. >> > > It's the "ironed out" that I don't understand. If there were some > fluctuations, small deviations from thermal equilibrium, why would a sudden > expansion attenuate them? It makes more sense to me that the universe was > already very close to thermal equilibrium during inflation, and inflation > *preserved* this state. BTW, I am not "belaboring" anything here; rather, > I am trying to resolve, or possibly modify, a key element of the inflation > model. AG >
This is why these post with you drive me nuts. It is for the same reason that if waves are stretched out they are made more IR. If clumps are stretched out, think hard speed bump vs a soft one that is spread out, or if curvatures are stretched these occur on a low energy or larger scale. LC > > >> The current state of the universe is such that it emerged from a much >> lower state of entropy than what we would otherwise think. This state of >> low entropy was available to a causal region that inflated out, and what >> fluctuations existed were stretched out and reduced in relative magnitude. >> >> I fail to see why so many people have trouble with this. It is not a >> final answer, for that will require not only quantum gravitation, but a >> theory of quantum gravitation that is worked into a fair measure of >> maturity. However, inflation does push the barrier of ignorance back a fair >> degree. >> >> LC >> >> >>> >>>> >>>>> >>>>>> >>>>>>> >>>>>>> >>>>>>>> That was what was set up with inflation. The whole process of the >>>>>>>> early expanding universe is about there being episodes of approximate >>>>>>>> thermal equilibrium of particles, such as during the quark-gluon >>>>>>>> plasma >>>>>>>> phase, electroweak period, the QED equilibrium of electrons and photon >>>>>>>> or >>>>>>>> the plasma phase that ended by producing the CMB. >>>>>>>> >>>>>>>> To think about physics one has to do a sort of Buddhist middle way. >>>>>>>> It is not good to either be too liberal or given to extreme >>>>>>>> speculations, >>>>>>>> but it is also not good to be overly conservative. >>>>>>>> >>>>>>>> LC >>>>>>>> >>>>>>> -- 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/7be7dcca-e234-43c7-946e-52835f326c27%40googlegroups.com.
