Holography and the Emergence of Gravity - a podcast by MCMP Team

Dennis Dieks (Utrecht) and Jeroen van Dongen (Amsterdam) and Sebastian de Haro (Amsterdam) give a talk at the MCMP conference "Reduction and Emergence in the Sciences" (14-16 November, 2013) titled "Holography and the Emergence of Gravity". Abstract: ‘Holographic’ relations between theories have become a main theme in quantum gravity research: a theory without gravity is in some way equivalent to a gravitational theory with an extra dimension. ‘t Hooft first proposed holography for evaporating black holes in 1993, “AdS/CFT” duality is a more recent holographic topic of study. Very recently, Verlinde has proposed that even Newton’s law of gravitation can be related holographically to a thermodynamics of information on screens. We discuss theory reduction and spacetime emergence in these scenarios: in what sense are these theories equivalent or reduce to each other and when is spacetime emergent?

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