Combinatorics of Strings and Equivalence of Witten's String Field Theory to Polyakov's String Theory : Particles and Fields

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概要

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• It is shown that Polyakov's string theory and Witten's open bosonic string field theory give the same vacuum amplitudes with correct combinatorial factors in arbitrary order of perturbation expansion. The proof is based on the fact that the symmetry factor of mapping class group and the combinatorial factor of string Feynman diagram are equal. Extension to the on shell amplitudes is also discussed.

• 1988-04-25

著者

• Ogura Waichi

  Department Of Physics Osaka City University

• Ogura Waichi

  Department Of Physics Osaka University

• OGURA Waichi

  Yukawa Institute for Theoretical Physics, Uji Research Center Kyoto University

• OGURA Waichi

  Department of Physics, Osaka University

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