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  2. Polyakov action - Wikipedia

    en.wikipedia.org/wiki/Polyakov_action

    In physics, the Polyakov action is an action of the two-dimensional conformal field theory describing the worldsheet of a string in string theory.It was introduced by Stanley Deser and Bruno Zumino and independently by L. Brink, P. Di Vecchia and P. S. Howe in 1976, [1] [2] and has become associated with Alexander Polyakov after he made use of it in quantizing the string in 1981. [3]

  3. String theory - Wikipedia

    en.wikipedia.org/wiki/String_theory

    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.

  4. Category:String theory books - Wikipedia

    en.wikipedia.org/wiki/Category:String_theory_books

    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 ...

  5. Superstring theory - Wikipedia

    en.wikipedia.org/wiki/Superstring_theory

    [1] According to superstring theory, or more generally string theory, the fundamental constituents of reality are strings with radius on the order of the Planck length (about 10 −33 cm). An appealing feature of string theory is that fundamental particles can be viewed as excitations of the string.

  6. AdS/CFT correspondence - Wikipedia

    en.wikipedia.org/wiki/AdS/CFT_correspondence

    The duality represents a major advance in the understanding of string theory and quantum gravity. [1] This is because it provides a non-perturbative formulation of string theory with certain boundary conditions and because it is the most successful realization of the holographic principle , an idea in quantum gravity originally proposed by ...

  7. The Trouble with Physics - Wikipedia

    en.wikipedia.org/wiki/The_Trouble_with_Physics

    The Trouble with Physics: The Rise of String Theory, the Fall of a Science, and What Comes Next is a 2006 book by the theoretical physicist Lee Smolin about the problems with string theory. The book strongly criticizes string theory and its prominence in contemporary theoretical physics, on the grounds that string theory has yet to come up with ...

  8. Type I string theory - Wikipedia

    en.wikipedia.org/wiki/Type_I_string_theory

    In theoretical physics, type I string theory is one of five consistent supersymmetric string theories in ten dimensions. It is the only one whose strings are unoriented (both orientations of a string are equivalent) and the only one which perturbatively contains not only closed strings , but also open strings .

  9. John Henry Schwarz - Wikipedia

    en.wikipedia.org/wiki/John_Henry_Schwarz

    For several years he was one of the very few physicists who pursued string theory as a viable theory of quantum gravity. His work with Michael Green on anomaly cancellation in Type I string theories led to the so-called " first superstring revolution " of 1984, which greatly contributed to moving string theory into the mainstream of research in ...