Equivalence of twistor prescriptions for super Yang-Mills

Details Equivalence of twistor prescriptions for super Yang-Mills Equivalence of twistor prescriptions for super Yang-Mills

2004-04-13

arxiv.org/abs/hep-th/0404085v2

Adv.Theor.Math.Phys.11:199-231,2007

Physics

High Energy Physics

High Energy Physics - Theory

v2: small clarifications added and typos fixed; 35+1 pages, 9 figures, LaTeX

Scientific paper

There is evidence that one can compute tree level super Yang-Mills amplitudes using either connected or completely disconnected curves in twistor space. We argue that the two computations are equivalent, if the integration contours are chosen in a specific way, by showing that they can both be reduced to the same integral over a moduli space of singular curves. We also formulate a class of new ``intermediate'' prescriptions to calculate the same amplitudes.

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