Triangulated Surfaces in Twistor Space: A Kinematical Set up for Open/Closed String Duality

Details Triangulated Surfaces in Twistor Space: A Kinematical Set up for Open/Closed String Duality Triangulated Surfaces in Twistor Space: A Kinematical Set up for Open/Closed String Duality

2006-07-20

arxiv.org/abs/hep-th/0607146v3

JHEP0612:017,2006

Physics

High Energy Physics

High Energy Physics - Theory

35 pages, references added, slightly revised introduction

Scientific paper

10.1088/1126-6708/2006/12/017

We exploit the properties of the three-dimensional hyperbolic space to discuss a simplicial setting for open/closed string duality based on (random) Regge triangulations decorated with null twistorial fields. We explicitly show that the twistorial N-points function, describing Dirichlet correlations over the moduli space of open N-bordered genus g surfaces, is naturally mapped into the Witten-Kontsevich intersection theory over the moduli space of N-pointed closed Riemann surfaces of the same genus. We also discuss various aspects of the geometrical setting which connects this model to PSL(2,C) Chern-Simons theory.

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