Self-Dual $\mathcal{N}$ = 8 Supergravity as a Closed String Field Theory in Twistor Space

Satchidananda Naik

A Closed string field theory action is formulated for $\mathcal{N}$ =8 self-dual supergravity which is off-shell and Lorentz covariant. The bosonic truncation in the quantum field t…