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This is an accepted version of this page This is the latest accepted revision, reviewed on 14 December 2024. Hypothetical group of multiple universes Not to be confused with Metaverse. "Multiverses" redirects here. For the crossover fighting game, see MultiVersus. For other uses, see Multiverse (disambiguation). Part of a series on Physical cosmology Big Bang · Universe Age of the universe ...
In the early universes before the Big Bang, there are theories that ''loop quantum gravity" and "loop quantum structures'' formed space. The Lorentz invariance and universal constants describe elementary particles that do not yet exist. A fecund universe is a multiverse theory by Lee Smolin about the role of black holes. The theory suggests ...
The question does not include the timing of when anything came to exist. Some have suggested the possibility of an infinite regress, where, if an entity can't come from nothing and this concept is mutually exclusive from something, there must have always been something that caused the previous effect, with this causal chain (either deterministic or probabilistic) extending infinitely back in time.
The quantum-mechanical "Schrödinger's cat" paradox according to the many-worlds interpretation.In this interpretation, every quantum event is a branch point; the cat is both alive and dead, even before the box is opened, but the "alive" and "dead" cats are in different branches of the multiverse, both of which are equally real, but which do not interact with each other.
Enter the realm of the multiverse and alternate realities, one of the most glorified canvases in popular culture's recent years — and a repository for the ache and longing of living in an era of ...
There is only one universe. There are no others, nor is there anything isomorphic to it. Smolin denies the existence of a "timeless" multiverse. Neither other universes nor copies of our universe—within or outside—exist. No copies can exist within the universe, because no subsystem can model precisely the larger system it is a part of.
The measure problem in cosmology concerns how to compute the ratios of universes of different types within a multiverse. It typically arises in the context of eternal inflation. The problem arises because different approaches to calculating these ratios yield different results, and it is not clear which approach (if any) is correct. [1]
If the universe came to exist by chance, and perhaps vast numbers of other universes exist or have existed, then life capable of physics experiments only arose in universes that, by chance, had very balanced forces. All of the universes where the forces were not balanced did not develop life capable of asking this question.