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Conceptual Aspects of Gauge/Gravity Duality

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De Haro, Sebastian 
Mayerson, DR 
Butterfield, JN 


We give an introductory review of gauge/gravity duality, and associated ideas of holography, emphasising the conceptual aspects. The opening sections gather the ingredients, viz. anti-de Sitter spacetime, conformal field theory and string theory, that we need for presenting, in Sect. 5, the central and original example: Maldacena’s AdS/CFT correspondence. Sections 6 and 7 develop the ideas of this example, also in applications to condensed matter systems, QCD, and hydrodynamics. Sections 8 and 9 discuss the possible extensions of holographic ideas to de Sitter spacetime and to black holes. Section 10 discusses the bearing of gauge/gravity duality on two philosophical topics: the equivalence of physical theories, and the idea that spacetime, or some features of it, are emergent.



physics.hist-ph, physics.hist-ph, hep-th

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Foundations of Physics

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Springer Science and Business Media LLC
DRM was supported in part by a Cottrell Scholar Award from the Research Corporation for Science Advancement. This work is part of the research programme of the Foundation for Fundamental Research on Matter (FOM), which is part of the Netherlands Organisation for Scientific Research (NWO).