On Closed Twistor String Theory [PDF]
R. A. Reid-EdwardsThe Heterotic twistor string theory of Mason and Skinner is investigated with particular attention given to the role of topological gravity on the world-sheet. The general structure of scattering amplitudes is discussed and expressed in terms of an integral over the moduli space of super Riemann surfaces.View original: http://arxiv.org/abs/1212.6047
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