Is there a simple explanation for dummies of what an infinitely old universe might entail - is this something like eternal inflation, or an infinitely protracted collapse preceding the apparent big bang, or something else?
On 11 February 2015 at 10:41, LizR <[email protected]> wrote: > Very interesting, if true. (So they've removed that pesky factor of 10 to > the power of 120 from the calculations...!?) > > On 11 February 2015 at 10:34, Platonist Guitar Cowboy < > [email protected]> wrote: > >> Cosmology from quantum potential >> Ahmed Farag Ali <http://arxiv.org/find/gr-qc/1/au:+Ali_A/0/1/0/all/0/1>, >> Saurya >> Das <http://arxiv.org/find/gr-qc/1/au:+Das_S/0/1/0/all/0/1> >> (Submitted on 11 Apr 2014 (v1 <http://arxiv.org/abs/1404.3093v1>), last >> revised 29 Dec 2014 (this version, v3)) >> >> It was shown recently that replacing classical geodesics with quantal >> (Bohmian) trajectories gives rise to a quantum corrected Raychaudhuri >> equation (QRE). In this article we derive the second order Friedmann >> equations from the QRE, and show that this also contains a couple of >> quantum correction terms, the first of which can be interpreted as >> cosmological constant (and gives a correct estimate of its observed value), >> while the second as a radiation term in the early universe, which gets rid >> of the big-bang singularity and predicts an infinite age of our universe. >> >> http://arxiv.org/abs/1404.3093v3 >> >> No Big Bang singularity or obscure dark stuff needed if I understand >> correctly, which can be refreshing from time to time. ;-) PGC >> >> >> >> >> >> >> >> >> >> >> >> >> -- >> 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.
