Supertwistor description of ambitwistor strings

TL;DR

This paper introduces a new supertwistor-based ambitwistor string model in ten dimensions, demonstrating its equivalence to the RNS ambitwistor string in light-cone gauge and developing a novel light-cone gauge analysis.

Contribution

It constructs a supertwistor ambitwistor string model and compares it to the RNS model, providing new insights into their equivalence and scattering equations.

Findings

Supertwistor ambitwistor string is equivalent to RNS ambitwistor string in light-cone gauge.

Develops a novel light-cone gauge analysis for the RNS ambitwistor string.

Provides a new supertwistor model for the massless superparticle.

Abstract

A new ambitwistor string is constructed based on a ten-dimensional supertwistor model for the massless superparticle. Although covariant quantization is complicated by reducibility issues, a light-cone gauge analysis can be easily performed. We show that with this analysis, this supertwistor ambitwistor string is equivalent to the RNS ambitwistor string in light-cone gauge. In order to make the comparison, we develop the light-cone gauge analysis of the RNS ambitwistor string which has some novel features in terms of its expression of the scattering equations through interaction point operators.