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2009

The Return of the Phoenix Universe

Lehners, Jean-Luc, Steinhardt, Paul J., Turok, Neil

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Understand

Georges Lemaitre introduced the term "phoenix universe" to describe an oscillatory cosmology with alternating periods of gravitational collapse and expansion.

This model is ruled out observationally because it requires a supercritical mass density and cannot accommodate dark energy.
However, a new cyclic theory of the universe has been proposed that evades these problems.
In a recent elaboration of this picture, almost the entire universe observed today is fated to become entrapped inside black holes, but a tiny region will emerge from these ashes like a phoenix to form an even larger smooth, flat universe filled with galaxies, stars, planets, and, presumably, life.

The Return of the Phoenix Universe · Around

Built on

G. Lemaitre, Annales Soc. Sci. Brux. Ser. I A 53
1933
Earlier work this paper cites.
J. Khoury, B. A. Ovrut, P. J. Steinhardt and N. Turok, Phys. Rev. D 64
2001
Earlier work this paper cites.
P. J. Steinhardt and N. Turok, Science 296
2002
Earlier work this paper cites.
To complete the argument, note that, as shown in J. K. Erickson, D. H. Wesley, P. J. Steinhardt and N. Turok, Phys. Rev. D 69
2004
Earlier work this paper cites.

Similar

L. A. Boyle, P. J. Steinhardt and N. Turok, Phys. Rev. D 69
2004
Cited alongside, same era.
P. J. Steinhardt and N. Turok, Science 312
Original
2006
Cited alongside, same era.
J. L. Lehners, P. McFadden, N. Turok and P. J. Steinhardt, Phys. Rev. D 76
2007
Cited alongside, same era.

Then

E. Komatsu et al
2009
Closest in time.
J. L. Lehners and P. J. Steinhardt, Phys. Rev. D 77
Original
2009
Closest in time.
J. L. Lehners and P. J. Steinhardt, Phys. Rev. D 79
2009
Closest in time.

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