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Cft on de sitter space

WebJul 20, 2024 · While holography for anti-de Sitter space was first proposed in 1997, the results produced from the computational model demonstrated that basic quantities agreed between classical Einstein gravity ... WebSep 24, 2024 · As a de Sitter universe is more convenient for cosmology, what are the current issues with a dS/CFT type correspondence? Earlier work by Strominger, seemed promising but I haven't heard of additional developments and I was wondering about the challenges facing such a theory.. Clarification: Since de Sitter spacetimes are dual to …

The AdS/CFT correspondence (Chapter 5) - Gauge/Gravity Duality

WebMay 5, 2015 · The Anti-de Sitter/Conformal Field Theory correspondence (AdS/CFT), however, is a new type of duality which relates a quantum field theory on flat spacetime to a string theory. This is particularly remarkable since string theory is a very promising candidate for a consistent theory of quantum gravity. Naively, quantum field theory on flat ... WebSep 7, 2024 · Perhaps the most surprising and consequential of these dualities is a connection between a type of quantum theory in four dimensions without gravity, known as a conformal field theory (CFT), and a particular kind of five-dimensional space-time with … ghislenus https://maddashmt.com

One Lab’s Quest to Build Space-Time Out of Quantum Particles

In theoretical physics, the anti-de Sitter/conformal field theory correspondence, sometimes called Maldacena duality or gauge/gravity duality, is a conjectured relationship between two kinds of physical theories. On one side are anti-de Sitter spaces (AdS) which are used in theories of quantum gravity, … See more Quantum gravity and strings Current understanding of gravity is based on Albert Einstein's general theory of relativity. Formulated in 1915, general relativity explains gravity in terms of the geometry of space … See more Nuclear physics One physical system which has been studied using the AdS/CFT correspondence is the quark–gluon plasma, an exotic state of matter produced in particle accelerators. This state of matter arises for brief … See more String theory and nuclear physics The discovery of the AdS/CFT correspondence in late 1997 was the culmination of a … See more • Algebraic holography • Ambient construction • Randall–Sundrum model See more The geometry of anti-de Sitter space In the AdS/CFT correspondence, one considers string theory or M-theory on an anti-de Sitter See more A non-perturbative formulation of string theory In quantum field theory, one typically computes the probabilities of various physical events using the techniques of perturbation theory. Developed by Richard Feynman and … See more Three-dimensional gravity In order to better understand the quantum aspects of gravity in our four-dimensional universe, some … See more WebMar 1, 2024 · The two-point function of a free massive scalar field on a fixed background can be evaluated in the large mass limit by using a semiclassical geodesic approximation. In de Sitter space, however, this poses a puzzle. Certain spacelike separated points are not connected by real geodesics despite the corresponding two-point function in the Bunch … WebSep 27, 2016 · Recently, two groups have made distinct proposals for a de Sitter space that is emergent from conformal field theory (CFT). The first proposal is that, for two-dimensional holographic CFTs, the kinematic space of geodesics on a space-like slice of the asymptotically anti-de Sitter bulk is two-dimensional de Sitter space (dS 2), with a … chrome 10 64 bit

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Cft on de sitter space

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WebMay 20, 2024 · We present a class of dS/CFT correspondence between two-dimensional CFTs and three-dimensional de Sitter spaces. We argue that such a CFT includes an SU (2) WZW model in the critical level limit k → − 2, which corresponds to the classical … WebMar 1, 2024 · The two-point function of a free massive scalar field on a fixed background can be evaluated in the large mass limit by using a semiclassical geodesic approximation. In de Sitter space, however, this poses a puzzle. Certain spacelike separated points are …

Cft on de sitter space

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WebJan 29, 2024 · Abstract. We describe a procedure to deform the dynamics of a two-dimensional conformal net to possibly obtain a Haag-Kastler net on the de Sitter spacetime. The new dynamics is given by adding a ... WebJul 18, 2024 · The three-dimensional de Sitter space is special in that it is described by a Chern-Simons gauge theory [20] and that it is expected to be dual to a two-dimensional CFT assuming the standard idea of dS=CFT. The Chern-Simons description of gravity on S3, which is an Euclidean counterpart of de Sitter space, is described by a pair of

WebOct 27, 2015 · In this way, kinematic space translates between information theoretic and geometric descriptions of a CFT state. As an example, we discuss in detail the static slice of AdS 3 whose kinematic space is two-dimensional de Sitter space. WebOct 19, 2024 · In anti-de Sitter space a highly accelerating observer perceives a Rindler horizon. The two Rindler wedges in AdS d+1 are holographically dual to an entangled conformal field theory that lives on two boundaries with geometry ℝ × H d−1.For AdS 3, the holographic duality is especially tractable, allowing quantum-gravitational aspects of …

WebMay 16, 2024 · For 4D spacetimes with positive cosmological constant, de Sitter factor can emerge as a near-horizon limit in maximal Schwarzschild–de Sitter and Kerr–de Sitter black holes, when the event horizon of black hole approaches the cosmological horizon of de Sitter universe. WebMay 12, 2006 · The first proposal is that, for two-dimensional holographic CFTs, the kinematic space of geodesics on a space-like slice of the asymptotically anti-de Sitter bulk is two-dimensional de Sitter space (dS 2), with a metric that can be derived from the entanglement entropy of intervals in the CFT. In the second proposal, de Sitter …

WebFeb 21, 2024 · The CFTs describing both hemispheres become coupled with each other, forming a single quantum system that is holographically dual to the entire spherical de Sitter space. “The resulting space-time …

WebJul 18, 2024 · This implies that the conformal field theory (CFT) dual of gravity on a de Sitter space at the leading semiclassical order is given by an SU (2) Wess-Zumino-Witten model in the large central charge limit k →−2. We give another evidence for this in the … ghislonWebMay 2, 2024 · space that may be relevant for the famed AdS/CFT (Anti-de Sitter space/conformal field theory) correspondence, also known as holographic duality or gauge/gravity duality. 2 The Simplest Answer The simplest answer to whether our … ghis loginWeb1,093 Kansas Department For Children Families jobs available on Indeed.com. Apply to Project Coordinator, Policy Analyst, Specialist and more! ghislyWebJan 19, 2024 · Introduction.—Holography in de Sitter (dS) space, so called the dS=CFT correspondence [1], has been much moremysteriousthanthatinanti–deSitter(AdS)space[2]. This is mainly because the dual conformal field theory (CFT) lives on a spacelike surface and the time coordinate emerges from a Euclidean CFT. Such CFTs turn out to be chrome107.0.5304.107WebSep 5, 2015 · Introduction to the AdS/CFT Correspondence - September 2015. To save this book to your Kindle, first ensure [email protected] is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage … ghisler commanderWebFeb 20, 1998 · Anti De Sitter Space And Holography Edward Witten Recently, it has been proposed by Maldacena that large limits of certain conformal field theories in dimensions can be described in terms of supergravity (and string theory) on the product of -dimensional … ghis logoWebOct 6, 2011 · Abstract. This is a pedagogic account of some of the global properties of Anti-de-Sitter spacetime with a view to their application to the AdS/CFT correspondence. Particular care is taken over the ... ghisley