Twistor Strings for N=8 Supergravity

2013/01/05 by Skinner, David · 2 citations
#FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #High Energy Physics - Theory (hep-th)

paper · doi:10.48550/arxiv.1301.0868

Abstract

This paper presents a worldsheet theory describing holomorphic maps to twistor space with N fermionic directions. The theory is anomaly free when N=8. Via the Penrose transform, the vertex operators correspond to an N=8 Einstein supergravity multiplet. In the first instance, the theory describes gauged supergravity in AdS₄. Upon taking the flat space, ungauged limit, the complete classical S-matrix is recovered from worldsheet correlation functions.

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• Superstring amplitudes from the field-theory limit: an n-point map at one loop
• Single-trace current correlators for 2d models of 4d gluon scattering

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