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Dimension and Dimensional Reduction in Quantum Gravity
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A number of very different approaches to quantum gravity contain a common thread, a hint that spacetime at very short distances becomes effectively two dimensional. I review this evidence, starting with a discussion of the physical meaning of "dimension" and concluding with some speculative ideas of what dimensional reduction might mean for physics.
Forward citations
Cited by 3 Pith papers
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Entanglement Entropy of Quantum Corners
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Hawking area law in quantum gravity
If Hawking's area law is taken as exact, nonlocal and Stelle quantum-gravity theories are forced to drop R^2 and (Riemann)^2 terms (or use singular Ricci-flat black holes), and the standard entropy-area law follows as...
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The Case For Black Hole Remnants: A Review
A review arguing that black hole remnants remain viable and that the species and entropy objections to them are not decisive, so remnants could resolve the information paradox.
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