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The problem of developing a non-perturbative formulation of string theory was one of the original motivations for studying the AdS/CFT correspondence. [37] As explained above, the correspondence provides several examples of quantum field theories that are equivalent to string theory on anti-de Sitter space.
Twistor string theory is an equivalence between N = 4 supersymmetric Yang–Mills theory and the perturbative topological B model string theory in twistor space. [1] It was initially proposed by Edward Witten in 2003. Twistor theory was introduced by Roger Penrose from the 1960s as a new approach to the unification of quantum theory with gravity.
String theory is a theoretical framework that attempts to address these questions. The starting point for string theory is the idea that the point-like particles of particle physics can also be modeled as one-dimensional objects called strings. String theory describes how strings propagate through space and interact with each other.
If two string theories are related by S-duality, then one theory with a strong coupling constant is the same as the other theory with weak coupling constant. The theory with strong coupling cannot be understood by means of perturbation theory, but the theory with weak coupling can. So if the two theories are related by S-duality, then we just ...
Download as PDF; Printable version; In other projects ... move to sidebar hide. Help. Books about String theory, in whole or in part Pages in category "String theory ...
The Veneziano formula was quickly generalized to an equally consistent N-particle amplitude [1] for which Yoichiro Nambu, [2] Holger Bech Nielsen, [3] and Leonard Susskind [4] provided a physical interpretation in terms of an infinite number of simple harmonic oscillators describing the motion of an extended one-dimensional string, hence came ...
Bosonic string theory; Superstring theory. Type I string; Type II string. Type IIA string theory; Type IIB string theory; Heterotic string; N=2 superstring; M-theory. Matrix theory; Introduction to M-theory; F-theory; String field theory; Matrix string theory; Nonlinear sigma model; Tachyon condensation; RNS formalism; String theory landscape ...
Polchinski, Joseph (1998) String Theory. Cambridge University Press. Vol. 1: An introduction to the bosonic string. ISBN 0-521-63303-6. Vol. 2: Superstring theory and beyond. ISBN 0-521-63304-4. Szabo, Richard J. (Reprinted 2007) An Introduction to String Theory and D-brane Dynamics. Imperial College Press. ISBN 978-1-86094-427-7.