Diversity in the phoenix universe

It has recently been argued by Copeland et al. that in 11 dimensions two orbifold planes can collide and bounce in a regular way, even when the bulk metric is perturbed away from Milne spacetime to a Kasner solution. In this paper, we point out that as a consequence the global phoenix structure of the cyclic universe is significantly enriched. Spatially separated regions, with different density fluctuation amplitudes as well as different non-Gaussian characteristics, are all physically realized. Those regions containing by far the most structure are specified by a fluctuation amplitude of Q similar to 10(-4.5) and local non-Gaussianity parameters f(NL) similar to O(+/- 1) and g(NL) similar to O(-10(3)), in agreement with current observations.