Unitarity methods for scattering in two dimensions

Abstract

The standard unitarity-cut method is applied to several massive two-dimensional models, including the world-sheet AdS${}_5\times S^5$ superstring, to compute $2\to 2$ scattering S-matrices at one loop from tree level amplitudes. Evidence is found for the cut-constructibility of supersymmetric integrable models, while for models without supersymmetry (but integrable) the missing rational terms can be interpreted as a shift in the coupling.

Prepared for the Karl Schwarzschild Meeting 2013. 8 pages, 1 figure

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Cited by in corpus (1)

• Precision calculation of 1/4-BPS Wilson loops in AdS${}_5\times S^5$