In the 1960's,
Charles Misner pointed out that Big Bang cosmology has regions that were too far apart for them to have been in contact at the origin of the universe. Each point is outside the "observable universe" for the other.
This implies a synchronization problem. How did the two areas know to start expanding in sync with the other?
Today we can see this as an information sharing problem. And information philosophy suggests a radical solution, based on the instantaneous
information synchronization between
entangled quantum particles.
Einstein was concerned that in a
wave-function collapse, something is "traveling" faster than the speed of light. We know that the collapse of the two-particle wave function transmits no matter or energy between the particles (no signaling), but there is instant coordination between the two in order to conserve physical quantities, energy, momentum, angular momentum, and of course spin, which is the quantity conserved in the most famous tests of
Bell's Theorem.
Let us assume that at
t = 0 there is a universal wave function
Ψ, which may have had an infinite time before the beginning of the matter/energy universe to spread itself out in space. Could it have had non-zero values,
information about
possibilities, in all of spacetime?
We might then solve the horizon problem by accepting that when the universal wave function
Ψ collapsed at
t = 0, it collapsed everywhere, so those parts of the universe that were outside our light horizon were "informed" that it was time to start.
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