Static potential in N=4 supersymmetric Yang-Mills theory at weak coupling

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Abstract

We compute the static potential associated with the locally 1/2 BPS Wilson loop in N=4 supersymmetric Yang-Mills theory with O(λ2/r) accuracy. We also resum the leading logarithms, of O(λn+1ln nλ/r), and show the structure of the renormalization group equation at next-to-leading order in the multipole expansion. In order to obtain these results it is crucial to use an effective theory for the ultrasoft degrees of freedom. We develop this theory up to next-to-leading order in the multipole expansion. Using the same formalism we also compute the leading logarithms, of O(λn+1ln nλ/r), of the static potential associated with an ordinary Wilson loop in the same theory. © 2008 The American Physical Society.
Original languageEnglish
Article number021701
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume77
Issue number2
DOIs
Publication statusPublished - 14 Jan 2008

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