The n loop string amplitude: Explicit formulas, finiteness and absence of ambiguities

Oct, 1991
7 pages
Published in:
  • Phys.Lett.B 277 (1992) 82-88
  • Published: 1992
Report number:
  • UCB-PTH-91-53

Citations per year

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Abstract: (Elsevier)
Explicit formulas are obtained for the n -loop scattering amplitudes of N external tachyons in the Bose closed-string theory and in the type-II superstring theory. The superstring amplitudes are shown to be finite and free of ambiguities.
  • string model
  • supersymmetry
  • scattering amplitude: tachyon
  • tachyon: scattering amplitude
  • field theory: finite
  • Riemann surface
  • analytic properties