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What is the idea behind the string theories?

  1. Sep 12, 2004 #1
    hello,

    from sometime in past i was in contact of the string theories. But one thing that clicked in my mind that how does the physicst started the idea of the string theories (all of them) like Newton formulated the law of gravitational force after he observed the motion of the moon around the earth and compared it to the falling of an apple. what was that point or incident which incouraged the theorist to formulate the string theories and how did they reach at the conclusion that the universe exists in 7,10 or 11 dimensions.
    all the help is appreciated also if someone can tell me that what is the mathematics behind it i'd be grateful to.

    Thanks
     
  2. jcsd
  3. Sep 12, 2004 #2
  4. Sep 12, 2004 #3
  5. Sep 12, 2004 #4
    Here are a few links to conisder as well


    Extra-dimension and String Theory -- http://superstringtheory.com/experm/exper5a.html

    Relativity -- http://www.physics.fsu.edu/Courses/Spring98/AST3033/Relativity/GeneralRelativity.htm

    Quantum Field Theory -- http://xxx.lanl.gov/abs/hep-th/9702027

    Standard Model -- http://superstringtheory.com/experm/exper2a.html

    S-matrix -- http://en.wikipedia.org/wiki/S_matrix

    Feynman Diagram -- http://www2.slac.stanford.edu/vvc/theory/feynman.html

    Feynman Diagram, Animations -- http://www.departments.bucknell.edu/physics/animations/Feynman_diagrams/index.html

    Supersymmetry -- http://www.cerncourier.com/main/article/40/10/19

    Supersymmetry -- "Physics Beyond the Standard Model", Gordon Kane, Scientific American, Volume 288, Number 6, June 2003, pp 68-75.

    Superstrings -- http://www.sukidog.com/jpierre/strings/

    Superstrings, the Second Revolution -- http://www.theory.caltech.edu/people/jhs/strings/

    M-Theory -- http://www.damtp.cam.ac.uk/user/gr/public/qg_ss.html

    Quantum Gravity, Overview -- http://www.utdallas.edu/~loper/research/19980422.pdf
     
    Last edited: Sep 12, 2004
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