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Doesn't the holographic principle state that the universe is actually 2D?
by k__ 6y ago
Doesn't the holographic principle state that the universe is actually 2D?
- sohkamyung 6y agoMaybe this by the same author may help answer your question. [1] [1] https://backreaction.blogspot.com/2021/03/is-universe-really-hologram.html https://backreaction.blogspot.com/2021/03/is-universe-really...
- jcranmer 6y agoThe holographic principle arises basically from two facts: * The AdS/CFT correspondence, which states briefly that a universe having properties our universe doesn't have is mathematically equivalent do a different universe with one fewer dimension and different properties our universe also doesn't have. This is the most celebrated result in string theory, by the way. * The entropy of a black hole is proportional to its surface area, not its volume. From these two results, one can speculatively extrapolate that the information density of the universe uses one fewer than dimension than the actual interaction volume we experience, and this extrapolation is the holographic principle.
- im3w1l 6y ago> The entropy of a black hole is proportional to its surface area, not its volume. Does the following argument hold? The Schwarzschild radius of a black hole is proportional to the mass. So the surface area is proportional to M^2. How can bigger holes store ever more entropy per unit mass?