Topic
AdS/CFT correspondence
About: AdS/CFT correspondence is a research topic. Over the lifetime, 6660 publications have been published within this topic receiving 355520 citations.
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01 Jan 2017
TL;DR: In this paper, the connections between quantum gravity and quantum information theory in the AdS/CFT correspondence were reviewed and connections between entanglement structure of CFT state and geometrical structure of the dual spacetime were described.
Abstract: In these notes, we review connections between quantum gravity and quantum information theory in the AdS/CFT correspondence. We describe connections between entanglement structure of the CFT state and geometrical structure of the dual spacetime. We describe constraints on entanglement and related quantities and show how these constrain gravitational dynamics in the dual theory.
113 citations
TL;DR: In this article, the authors discuss quotients of anti-de-Sitter spacetime by a discrete group in light of the AdS-CFT correspondence, and construct the states associated with the linearized supergravity modes in the cosmological background.
Abstract: We discuss quotients of Anti-de Sitter (AdS) spacetime by a discrete group in light of the AdS-CFT correspondence. Some quotients describe closed universes which expand from zero volume to a maximum size and then contract. Maldacena's conjecture suggests that they should be represented in string theory by suitable quotients of the boundary conformal field theory. We discuss the required identifications, and construct the states associated with the linearized supergravity modes in the cosmological background.
113 citations
TL;DR: The full list of conserved conformal higher spin currents built from massless scalar and spinor fields is presented in this paper, where it is shown that the set of conformal high spin symmetry parameters associated with the conformal conserved currents in d dimensions is in a one-to-one correspondence with the result of the dimensional reduction of the usual (i.e. non-conformal) higher spin symmetry parameter in d+1 dimensions.
Abstract: The full list of conserved conformal higher spin currents built from massless scalar and spinor fields is presented. It is shown that, analogously to the relationship between usual conformal and AdS symmetries, the set of the conformal higher spin symmetry parameters associated with the conformal conserved currents in d dimensions is in the one-to-one correspondence with the result of the dimensional reduction of the usual (i.e. non-conformal) higher spin symmetry parameters in d+1 dimensions.
113 citations
TL;DR: In this article, a mix of eld theoretic and holographic techniques are used to elucidate various properties of quantum entanglement entropy in (3 + 1)-dimensional conformal eld theory.
Abstract: We use a mix of eld theoretic and holographic techniques to elucidate various properties of quantum entanglement entropy. In (3 + 1)-dimensional conformal eld theory we study
112 citations
TL;DR: In this article, the authors focus on the question of how relativistic fluid dynamics should be thought of as a Wilsonian effective field theory emerging from Schwinger-Keldysh path integrals.
Abstract: We focus on the question of how relativistic fluid dynamics should be thought of as a Wilsonian effective field theory emerging from Schwinger-Keldysh path integrals. Taking the basic principles of Schwinger-Keldysh formalism seriously, we are led to a series of remarkable statements and conjectures, which we phrase in terms of a broad programme relating relativistic fluid dynamics and topological sigma models. Apart from the intrinsic interest for these ideas from the non-equilibrium field theory viewpoint, we also emphasize its relevance to various fundamental questions in black hole physics.
112 citations