3 ms·
I'm not certain what the author intends by stating that inflation is pre-Big-Bang. It is my impression that there is no bigger bang than superluminal inflation.
by ISL 7y ago
I'm not certain what the author intends by stating that inflation is pre-Big-Bang. It is my impression that there is no bigger bang than superluminal inflation.
- pharrington 7y agoCosmic inflation is the inflation of space-time. The Big Bang refers to the transition period generally at and slightly after the universe's mass/energy interactions went from occurring in a singularity to occurring in a significant volume of space-time. edit: in other words - superluminal inflation is big, but that's not a bang
- networkimprov 7y agoSee the eternal "inflaton" field... or is that what you meant by "superluminal"?
- networkimprov 7y agoNot sure why this was downvoted... https://en.wikipedia.org/wiki/Eternal_inflation https://en.wikipedia.org/wiki/Eternal_inflation
- raattgift 7y agoI think the author should have written "pre-big-bang-nucleosynthesis" ("pre-BBN"), since the paper is about the appearance of a particular type of zero-spin particle at the end of inflation but before BBN, and forming the whole of the non-neutrino dark matter sector. Some more details at my two comments above: https://news.ycombinator.com/item?id=20663162 https://news.ycombinator.com/item?id=20663162 https://news.ycombinator.com/item?id=20663475 https://news.ycombinator.com/item?id=20663475