Simpler Superstring Scattering

Abstract

We give a new, manifestly spacetime-supersymmetric method for calculating superstring scattering amplitudes, using the ghost pyramid, that is simpler than all other known methods. No pictures nor non-vertex insertions are required other than the usual b and c ghosts of the bosonic string. We evaluate some tree and loop amplitudes as examples.

36 pages, 2 figures

References in corpus (12)

• Super-Poincare Covariant Quantization of the Superstring
• Field Theory Without Feynman Diagrams: One-Loop Effective Actions
• Pure Spinor Formalism as an N=2 Topological String
• Consistency of Super-Poincare Covariant Superstring Tree Amplitudes
• Equivalence of Two-Loop Superstring Amplitudes in the Pure Spinor and RNS Formalisms
• Covariant Quantization of the Green-Schwarz Superstring in a Calabi-Yau Background
• The big picture
• One-Loop N-Point Superstring Amplitudes with Manifest d=4 Supersymmetry
• Conquest of the ghost pyramid of the superstring
• Gauge-covariant vertex operators
• Gauge-covariant S-matrices for field theory and strings
• Bound-state gravity from higher derivatives

Cited by in corpus (15)

• Some Superstring Amplitude Computations with the Non-Minimal Pure Spinor Formalism
• Pure Spinor Vertex Operators in Siegel Gauge and Loop Amplitude Regularization
• Superstring Scattering Amplitudes with the Pure Spinor Formalism
• Pure Spinor Superspace Identities for Massless Four-point Kinematic Factors
• Explaining the Pure Spinor Formalism for the Superstring
• The One-loop Open Superstring Massless Five-point Amplitude with the Non-Minimal Pure Spinor Formalism
• Untwisting the Pure Spinor Formalism to the RNS and Twistor String in a Flat and $Ad{S}_5\times S^5$ Background
• Massive deformations of Maass forms and Jacobi forms
• First-quantized N=4 Yang-Mills
• New superspaces/algebras for superparticles/strings
• Hybrid Formalism, Supersymmetry Reduction, and Ramond-Ramond Fluxes
• Closed string disk amplitudes in the pure spinor formalism
• Geometric counter-vertex for open string scattering on D-branes
• S-matrices from 4d worldvolume
• Tension between string amplitude prescriptions with presumed spacetime supersymmetry