======  Inflation ======


<tabbox Intutitive> 

A great laymen book on inflation is "The Inflationary Universe" by Alan Guth, who is one of the inventors of inflation. 
<tabbox Concrete> 

  * http://www.damtp.cam.ac.uk/user/db275/TEACHING/INFLATION/Lectures.pdf
 
<tabbox Abstract> 



<tabbox Why is it interesting?> 
Inflation is a framework the was invented to explain the cosmological flatness problem, i.e. to explain why spacetime is so flat, and to explain why there are no magnetic monopoles. 
  
<tabbox History> 
A great discussion can be found here: https://telescoper.wordpress.com/2017/07/13/the-early-stages-of-cosmic-inflation/amp/

<tabbox Criticism>

  * See [[http://physics.princeton.edu/~steinh/0411036.pdf|The Inflation Debate]] by Paul J. Steinhardt
  * https://blogs.scientificamerican.com/observations/a-cosmic-controversy/
  * https://www.quantamagazine.org/taking-stock-of-the-big-bang-theory-of-inflation-20150130/
  * http://backreaction.blogspot.de/2017/10/is-inflationary-universe-scientific.html
  * http://backreaction.blogspot.de/2017/10/i-totally-mean-it-inflation-never.html
</tabbox>