On the Next-leading order Heavy-Quark Potential from AdS/CFT

  • Applying the AdS/CFT correspondence, the expansion of the heavy-quark potential of N=4 supersymmetric Yang-Mills theory at large Nc is carried out to the next-leading term in the large 't Hooft coupling at zero temperature. The strong coupling corresponds to the semi-classical expansion of the string-sigma model, the gravity dual of the Wilson loop operator, with the next-leading term expressed in terms of functional determinants of fluctuations. The singularities of these determinants are examined and their contributions are evaluated numerically. We find the next-leading order correction is negative and suppressed by minus square root of the 't Hooft coupling relative to the leading order.

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CHU Shao-Xia, HOU De-Fu and REN Hai-Cang. On the Next-leading order Heavy-Quark Potential from AdS/CFT[J]. Chinese Physics C, 2010, 34(9): 1355-1359. doi: 10.1088/1674-1137/34/9/041
CHU Shao-Xia, HOU De-Fu and REN Hai-Cang. On the Next-leading order Heavy-Quark Potential from AdS/CFT[J]. Chinese Physics C, 2010, 34(9): 1355-1359.  doi: 10.1088/1674-1137/34/9/041 shu
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Received: 2010-01-26
Revised: 1900-01-01
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On the Next-leading order Heavy-Quark Potential from AdS/CFT

    Corresponding author: CHU Shao-Xia,

Abstract: 

Applying the AdS/CFT correspondence, the expansion of the heavy-quark potential of N=4 supersymmetric Yang-Mills theory at large Nc is carried out to the next-leading term in the large 't Hooft coupling at zero temperature. The strong coupling corresponds to the semi-classical expansion of the string-sigma model, the gravity dual of the Wilson loop operator, with the next-leading term expressed in terms of functional determinants of fluctuations. The singularities of these determinants are examined and their contributions are evaluated numerically. We find the next-leading order correction is negative and suppressed by minus square root of the 't Hooft coupling relative to the leading order.

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