http://arxiv.org/abs/2208.07104
The cosmological horizon problem is the question why spatial domains that were never in causal contact with each other now appear in precise symphony. We propose a solution to the horizon problem in which a globally synchronized early state is reached as the $\omega$-limit point of a transient, inhomogeneous Mixmaster universe. We show that the $\alpha$-limit set of the latter is a Kasner circle which represents a synchronized initial state of minimal entropy. Accordingly, unless the evolution is disrupted by quantum gravitational effects so that the initial state is not attained, Planck size domains emerge as causally disconnected, albeit in complete synchrony, as the universe enters an `isotropic’ state to remain so in future unison.
S. Cotsakis
Tue, 16 Aug 22
42/74
Comments: 10 pages, 1 figure
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