Open String Plane-Wave Light-Cone Superstring Field Theory

TL;DR

This paper develops a detailed light-cone superstring field theory framework for open strings on half-supersymmetric D-branes in a plane-wave background, enabling calculations of three-point functions.

Contribution

It constructs explicit cubic interaction vertices and supercharges satisfying the plane-wave superalgebra, advancing the understanding of open string interactions in this setting.

Findings

Explicit cubic interaction vertex formulated

Supercharges satisfy plane-wave superalgebra at first order

Framework enables computation of open string three-point functions

Abstract

We construct the cubic interaction vertex and dynamically generated supercharges in light-cone superstring field theory for a large class half-supersymmetric D-branes in the plane-wave background. We show that these satisfy the plane-wave superalgebra at first order in string coupling. The cubic interaction vertex and dynamical supercharges presented here are given explicitly in terms of oscilators and can be used to compute three-point functions of open strings with endpoints on half-supersymmetric D-branes.