Ekpyrotic
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The ekpyrotic universe, or ekpyrotic scenario, is a cosmological model about the origin and shape of the universe. The name comes from a Stoic term for "out of fire".[1] The ekpyrotic model of the universe is an alternative to the standard cosmic inflation paradigm, both of which accept that the standard big bang Lambda-CDM model of our universe is an appropriate description up to very early times. The ekpyrotic model is a precursor to, and part of the cyclic model. The ekpyrotic model received considerable coverage in the media[2][3][4][5] when it was submitted as a candidate for publication in Physical Review.[6]
[edit] Notes and references
- ^ In Stoic philosophy, ekpyrosis, all-engulfing cosmic fire, represents the contractive phase of eternally-recurring destruction and re-creation.
- ^ Brane-Storm' Challenges Part of Big Bang Theory
- ^ Questioning the Big Bang, MSNBC
- ^ Report: Universe began by colliding with another, CNN
- ^ Before the Big Bang, BBC
- ^ Khoury, Justin; Burt A. Ovrut, Paul J. Steinhardt, Neil Turok (28 November 2001). "Ekpyrotic universe: Colliding branes and the origin of the hot big bang". Phys. Rev. D 64 (12). American Physical Society. doi:.
[edit] See also
[edit] External links
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- Greene, Brian, The Elegant Universe: Superstrings, Hidden Dimensions, and the Quest for the Ultimate Theory, Vintage (2000).
- Kallosh, Renata, Kofman, Lev and Linde, Andrei, Pyrotechnic Universe (the first paper to point out problems with the theory)
- A Brief Introduction to the Ekpyrotic Universe Steinhardt, Paul J., Department of Physics, Princeton University
- Whitehouse, David, "Before the Big Bang". BBC News. April 10, 2001.
- Discover Magazine, Before the Big Bang February 2004 issue.
- Simplified Overview Comparing Standard and Ekpyrotic Models of the Universe
- Parallel Universes, (BBC Two 9.00pm Thursday 14 February 2002)
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