Energy density fluctuations may support cyclic model from "summary" of Endless Universe by Paul J. Steinhardt,Neil Turok
Energy density fluctuations, which are tiny differences in the amount of energy present in different regions of space, could play a crucial role in supporting the cyclic model of the universe. These fluctuations arise from quantum uncertainty, which is a fundamental aspect of nature at the smallest scales. In the context of the cyclic model, these fluctuations can lead to the creation of new universes within a larger multiverse. The cyclic model proposes that our universe goes through an endless cycle of expansion and contraction, with each cycle giving rise to a new universe. During the contraction phase, the energy density fluctuations could become amplified, creating conditions that favor the formation of a new universe. This process could explain how a new universe could be born from the remnants of the previous one, setting the stage fo...
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