Holography and emergence |
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| Affiliation: | 1. University of Illinois, Chicago, IL, USA;2. University of California, San Diego, USA;1. Department of Philosophy, Notre Dame University, United States;2. Department of Philosophy, Princeton University, United States;1. Perimeter Institute for Theoretical Physics, 31 Caroline St. N., Waterloo, ON, N2L 2Y5, Canada;2. Department of Physics and Astronomy, University of Waterloo, Waterloo, ON, N2L 3G1, Canada;3. HEPCOS, Department of Physics, SUNY at Buffalo, Buffalo, NY 14260-1500, USA |
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| Abstract: | In this paper, I discuss one form of the idea that spacetime and gravity might ‘emerge’ from quantum theory, i.e. via a holographic duality, and in particular via AdS/CFT duality. I begin by giving a survey of the general notion of duality, as well as its connection to emergence. I then review the AdS/CFT duality and proceed to discuss emergence in this context. We will see that it is difficult to find compelling arguments for the emergence of full quantum gravity from gauge theory via AdS/CFT, i.e. for the boundary theory's being metaphysically more fundamental than the bulk theory. |
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| Keywords: | Holography Emergent spacetime AdS/CFT Gravity Gauge Reduction Semantic view of theories |
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