/sci/ - Science & Math » Thread #11120590

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Anonymous Tue 05 Nov 23:07:44 2019 No.11120590 View Reply Original Report

Quoted By: >>11121930

What are your opinions on this paper arguing against eternal inflation?

I rarely see any literature against EI, maybe besides the criticism on single inflaton models.

https://arxiv.org/pdf/1910.12817.pdf

Anonymous

Anonymous Wed 06 Nov 2019 05:43:11 No.11121539 Report

Quoted By:

Bamp

Anonymous

Anonymous Wed 06 Nov 2019 11:38:31 No.11121922 Report

Quoted By: >>11122155

EI is looking weak

Anonymous

Anonymous Wed 06 Nov 2019 11:55:23 No.11121930 Report

Quoted By:

>>11120590
Isn't the increasing expansion speed just the inertia being liberated by the massive gravity of when everything was much closer together?

Anonymous

Anonymous Wed 06 Nov 2019 14:25:01 No.11122155 Report

Quoted By:

>>11121922
Fock space

El Arcón

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El Arcón Wed 06 Nov 2019 14:53:40 No.11122207 Report

Quoted By: >>11122307 >>11122642

This pop-sci article is the most well-reason assessment of inflation I've come across, and it is quite critical.

http://physics.princeton.edu/~steinh/0411036.pdf

You probably don't see many people arguing against EI because regular old plain I by itself is already highly contentious and has one million problems with it, and you would have to assume all of those problems are fine except for the ones relating to EI to come to a place where you are motivated to argue against EI specifically rather than against the whole concept. That concept is pretty hokey, IMO.

Anonymous

Anonymous Wed 06 Nov 2019 15:51:47 No.11122307 Report

Quoted By:

>>11122207
Interesting, P. Steinhardt is pushing cyclical for a few years now, but aren't their obervations made in favor of inflation. Would it be assumed that we just don't know enough about inflation, and not necessarily that inflation is wrong as a whole.

Anonymous

Anonymous Wed 06 Nov 2019 18:11:41 No.11122642 Report

Quoted By:

>>11122207
I dont see any major problems with the issues that Steinhardt believes are issues.

Anonymous

Anonymous Wed 06 Nov 2019 22:35:43 No.11123331 Report

Quoted By:

Bump, Where di El Papi go.

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