Recursive structures in string field theory

TL;DR

This paper derives recursion relations for closed string correlation functions and scattering amplitudes using light cone string field theory, applicable to all orders in perturbation theory and extendable to plane wave backgrounds.

Contribution

It introduces a new recursive framework for calculating string amplitudes in perturbation theory, applicable to diverse backgrounds.

Findings

Recursion relations valid to all orders in perturbation theory

Extension of results to strings in plane wave backgrounds

Framework simplifies calculations of string scattering amplitudes

Abstract

Using light cone string field theory we derive recursion relations for closed string correlation functions and scattering amplitudes which hold to all orders in perturbation theory. These results extend to strings in a plane wave background.