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  2. Twistor string theory - Wikipedia

    en.wikipedia.org/wiki/Twistor_string_theory

    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.

  3. Twistor theory - Wikipedia

    en.wikipedia.org/wiki/Twistor_theory

    Despite its shortcomings, twistor string theory led to rapid developments in the study of scattering amplitudes. One was the so-called MHV formalism [23] loosely based on disconnected strings, but was given a more basic foundation in terms of a twistor action for full Yang–Mills theory in twistor space. [24]

  4. AdS/CFT correspondence - Wikipedia

    en.wikipedia.org/wiki/AdS/CFT_correspondence

    In 1974, Joël Scherk and John Schwarz suggested that string theory was therefore not a theory of nuclear physics as many theorists had thought but instead a theory of quantum gravity. [53] At the same time, it was realized that hadrons are actually made of quarks, and the string theory approach was abandoned in favor of quantum chromodynamics ...

  5. Category:String theory - Wikipedia

    en.wikipedia.org/wiki/Category:String_theory

    String theory is a branch of theoretical physics that attempts to build a theory of quantum gravity using one-dimensional strings rather than zero-dimensional point particles as fundamental building blocks. The name string theory is somewhat of a misnomer since the modern theory also includes higher dimensional objects known as branes

  6. Amplituhedron - Wikipedia

    en.wikipedia.org/wiki/Amplituhedron

    In mathematics and theoretical physics (especially twistor string theory), an amplituhedron is a geometric structure introduced in 2013 by Nima Arkani-Hamed and Jaroslav Trnka. It enables simplified calculation of particle interactions in some quantum field theories.

  7. Topological string theory - Wikipedia

    en.wikipedia.org/wiki/Topological_string_theory

    Topological string theory is obtained by a topological twist of the worldsheet description of ordinary string theory: the operators are given different spins. The operation is fully analogous to the construction of topological field theory which is a related concept. Consequently, there are no local degrees of freedom in topological string theory.

  8. Invisible String Theory, Orange Peel Theory, February Theory ...

    www.aol.com/news/invisible-string-theory-orange...

    What is ‘the invisible string theory’? Emily Reed Niesen (@emreedniesen), 21, took an interest in the invisible string theory after discovering it on TikTok. The notion that people can be ...

  9. Twistor space - Wikipedia

    en.wikipedia.org/wiki/Twistor_space

    In mathematics and theoretical physics (especially twistor theory), twistor space is the complex vector space of solutions of the twistor equation ′ =. It was described in the 1960s by Roger Penrose and Malcolm MacCallum. [ 1 ]