A Superstring Field Theory for Supergravity
arXiv:1701.05495 · doi:10.1007/JHEP09(2017)103
Abstract
A covariant closed superstring field theory, equivalent to classical ten-dimensional Type II supergravity, is presented. The defining conformal field theory is the ambitwistor string worldsheet theory of Mason and Skinner. This theory is known to reproduce the scattering amplitudes of Cachazo, He and Yuan in which the scattering equations play an important role and the string field theory naturally incorporates these results. We investigate the operator formalism description of the ambitwsitor string and propose an action for the string field theory of the bosonic and supersymmetric theories. The correct linearised gauge symmetries and spacetime actions are explicitly reproduced and evidence is given that the action is correct to all orders. The focus is on the Neveu-Schwarz sector and the explicit description of tree level perturbation theory about flat spacetime. Application of the string field theory to general supergravity backgrounds and the inclusion of the Ramond sector are briefly discussed.
57 pages. Published Version
References in corpus (11)
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Cited by in corpus (11)
- Two-Loop Scattering Amplitudes from Ambitwistor Strings: from Genus Two to the Nodal Riemann Sphere
- Amplitudes on plane waves from ambitwistor strings
- The complex null string, Galilean conformal algebra and scattering equations
- Field theory actions for ambitwistor string and superstring
- A Gluing Operator for the Ambitwistor String
- Chiral strings, the sectorized description and their integrated vertex operators
- Ambitwistor Strings in Six and Five Dimensions
- Chiral Superstring and CHY Amplitude
- Four Dimensional Anomaly-Free Twistor String
- Spectrum, Scattering Amplitudes, and String Field Theory of 4 Dimensional Twistor String
- Ambitwistor strings and amplitudes in curved backgrounds