A Formula for multi-loop 4-particle amplitude in superstring theory
Mar, 2005Citations per year
Abstract:
Based on the recent developments of explicit computations at 2 loops in superstring theory in the covariant RNS formalism, we propose an explicit formula for the arbitrary loop 4-particle amplitude in superstring theory. We prove that this formula passes two very difficult tests: modular invariance and factorization. If proved, this shows that superstring theory is not only finite order by order in perturbation theory but is also exceptionally simple.- string model
- supersymmetry
- perturbation theory: higher-order
- n-point function: 4
- scattering amplitude: factorization
- Riemann surface
- invariance: modular
- factorization
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