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
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