Challenges for Emergent Gravity

Abstract

The idea of gravity as an "emergent" phenomenon has gained popularity in recent years. I discuss some of the obstacles that any such model must overcome in order to agree with the observational underpinnings of general relativity.

18 pages; v2: added discussion of TDiff invariance, emergence of diffeomorphism invariance, and more references

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Cited by in corpus (8)

• Problem of Time in Quantum Gravity
• Problem of Time and Background Independence: the Individual Facets
• Quantum Kerr tunneling vacua on a $(D\bar{D}{)}_4$-brane: An emergent Kerr black hole in five dimensions
• Emergent Schwarzschild and Reissner-Nordstrom black holes in 4D: An effective curvature sourced by a B2-field on a D4-brane
• Higher Derivative Theories for Interacting Massless Gravitons in Minkowski Spacetime
• Emergent gravity, violated relativity and dark matter
• Apparent Geometry from the Quantum Mechanics of $Sp(8,\mathbb{C})$
• Emergent gravity from patterns in natural numbers