科研之友
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摘要
We obtain concise analytic formulae for Wilson loops computed on special n-point polygonal contours through two-loops in weakly coupled N - 4 supersymmetric gauge theory. The contours we consider can be embedded into a (1 + 1)-dimensional subspace of the 4-dimensional gauge theory, corresponding to the boundary of the AdS(3) on the string theory side. Our analytic results hold for any number of edges, thus generalising to arbitrary n the recently derived expressions for 2-dimensional octagons. These polygonal Wilson loops have been conjectured to be equivalent to MHV scattering amplitudes in planar N = 4 SYM.
- 出版日期2010-11
