Computations of superstring amplitudes in pure spinor formalism via Cadabra
Ke-Sheng Sun, Xiang-Mao Ding, Fei Sun, Hai-Bin Zhang
TL;DR
This paper demonstrates how the computer algebra system Cadabra can be used to compute superstring scattering amplitudes within the pure spinor formalism, exemplified by the tree-level 5-gluon amplitude calculation.
Contribution
It introduces a practical method for using Cadabra to compute superstring amplitudes in pure spinor formalism, including source code for a specific amplitude.
Findings
Successfully computed the tree-level 5-gluon amplitude
Provided source code for amplitude calculation
Showed the effectiveness of Cadabra in superstring computations
Abstract
The discovery of pure spinor formalism makes the computation of superstring scattering amplitudes possible. In this paper, we will illustrate how computer algebra system Cadabra is used in computing the supersymmetric amplitude in pure spinor formalism and provide the source code that computes the tree-level massless 5-gluon amplitude.
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Taxonomy
TopicsBlack Holes and Theoretical Physics · Particle physics theoretical and experimental studies · Noncommutative and Quantum Gravity Theories