Twistor actions for non-self-dual fields; a new foundation for twistor-string theory

Details Twistor actions for non-self-dual fields; a new foundation for twistor-string theory Twistor actions for non-self-dual fields; a new foundation for twistor-string theory

2005-07-27

arxiv.org/abs/hep-th/0507269v2

JHEP 0510 (2005) 009

Physics

High Energy Physics

High Energy Physics - Theory

23 pages. v2: typos etc. corrected, some extra clarifying remarks, particularly in section 3

Scientific paper

10.1088/1126-6708/2005/10/009

Twistor space constructions and actions are given for full Yang-Mills and conformal gravity using almost complex structures that are not, in general, integrable. These are used as the basis of a derivation of the twistor-string generating functionals for tree level perturbative scattering amplitudes of Yang-Mills and conformal gravity. The derivation follows by expanding and resumming the classical approximation to the path integral obtained from the twistor action. It provides a basis for exploring whether the equivalence can be made to extend beyond tree level and allows one to disentangle conformal supergravity modes from the Yang-Mills modes.

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