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The Subleading Term of the Strong Coupling Expansion of the Heavy-Quark Potential in a $\mathcal N=4$ Super Yang-Mills Plasma

By Zi-qiang Zhang, Defu Hou, Hai-cang Ren and Lei Yin

Abstract

Applying the AdS/CFT correspondence, the expansion of the heavy-quark potential of the ${\cal N}$ supersymmetric Yang-Mills theory at large $N_c$ is carried out to the sub-leading term in the large 't Hooft coupling at nonzero temperatures. The strong coupling corresponds to the semi-classical expansion of the string-sigma model, the gravity dual of the Wilson loop operator, with the sub-leading term expressed in terms of functional determinants of fluctuations. The contributions of these determinants are evaluated numerically.Comment: 17 pages in JHEP3, typos fixed, updated version to be published in JHE

Topics: High Energy Physics - Phenomenology, High Energy Physics - Theory, Nuclear Theory
Year: 2011
DOI identifier: 10.1007/JHEP07(2011)035
OAI identifier: oai:arXiv.org:1104.1344
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