Beyond cusp anomalous dimension from integrability in SYM4
Abstract
We study the first sub-leading correction O(( s)0) to the cusp anomalous dimension in the high spin expansion of finite twist operators in N=4 SYM theory. This term is still governed by a linear integral equation which we study in the weak and strong coupling regimes. In the strong coupling regime we find agreement with the string theory computations
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