E11 and the non-linear dual graviton

TL;DR

This paper derives the non-linear duality relations and equations of motion for gravity and dual gravity fields within E theory, extending previous results to include the dual graviton at the full non-linear level up to level three.

Contribution

It provides the first derivation of the full non-linear dual gravity equations in E theory, including the dual graviton, up to level three.

Findings

Derived non-linear duality relations between gravity and dual gravity fields.

Established the full non-linear dual gravity equations up to level three.

Confirmed equivalence to eleven-dimensional supergravity when truncated.

Abstract

The non-linear duality relation between the gravity and dual gravity fields are found in E theory by carrying out $E_{11}$ variations of previously found duality relations. We also find the dual graviton equation of motion up to the addition of some very specific terms whose coefficients are not determined. Using the calculations in this paper this ambiguity was resolved in reference [15] where the full non-linear dual gravity equation was found. As a result the equations of motion in E theory have now been found at the full non-linear level up to, and including, level three, which contains the dual graviton field. When truncated to contain fields at levels three and less, and the spacetime is restricted to be the familiar eleven dimensional space time, the equations are equivalent to those of eleven dimensional supergravity.