Editing Ekpyrotic universe (section)

== Further reading ==
* {{cite book|author1=Paul J. Steinhardt|author2=Neil Turok|title=Endless Universe: Beyond the Big Bang|url=https://books.google.com/books?id=eAs0FAwb-YIC|date=2007|publisher=Crown|isbn=978-0385523110}}
* [http://wwwphy.princeton.edu/~steinh/npr A Brief Introduction to the Ekpyrotic Universe] {{Webarchive|url=https://web.archive.org/web/20210920044930/https://wwwphy.princeton.edu/~steinh/npr/ |date=2021-09-20 }} by Steinhardt, Paul J., Department of Physics, Princeton University.
* Greene, Brian, [[The Elegant Universe|''The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory'']], Vintage (2000), ISBN 9780099289920.
* {{cite journal|last1=Kallosh|first1=Renata|last2=Kofman|first2=Lev|last3=Linde|first3=Andrei|title=Pyrotechnic universe|journal=Physical Review D|volume=64|issue=12|year=2001|page=123523|issn=0556-2821|doi=10.1103/PhysRevD.64.123523|arxiv=hep-th/0104073|bibcode=2001PhRvD..64l3523K|s2cid=12990684}} (the first paper to point out problems with the theory).
* Whitehouse, David, "[http://news.bbc.co.uk/1/hi/sci/tech/1270726.stm Before the Big Bang]". [[BBC]] News. April 10, 2001.
* Discover Magazine, [http://discovermagazine.com/2004/feb/cover Before the Big Bang] February 2004 issue.
* [http://www.bbc.co.uk/science/horizon/2001/parallelunitrans.shtml Parallel Universes, (BBC Two, 9 February 14, 2002)].
* [http://www.space.com/scienceastronomy/astronomy/bigbang_alternative_010413-1.html 'Brane-Storm' Challenges Part of Big Bang Theory].
* Yi-Fu Cai, Damien A. Easson, Robert Brandenberger, [https://arxiv.org/abs/1206.2382 Towards a Nonsingular Bouncing Cosmology], arXiv:1206.2382, (June 2012).

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[[Category:Concepts in astrophysics]]
[[Category:Physical cosmology]]