The n loop string amplitude: Explicit formulas, finiteness and absence of ambiguities
Oct, 19917 pages
Published in:
- Phys.Lett.B 277 (1992) 82-88
- Published: 1992
Report number:
- UCB-PTH-91-53
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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
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