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Bootstrapping Null Polygon Wilson Loops (1010.5009v2)
Published 24 Oct 2010 in hep-th and hep-ph
Abstract: We derive the two loop expressions for polygonal Wilson loops by starting from the one loop expressions and applying an operator product expansion. We do this for polygonal Wilson loops in R{1,1} and find a result in agreement with previous computations. We also discuss the spectrum of excitations around flux tube that connects two null Wilson lines.
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