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arXiv 1301.0882hep-th
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强耦合下N=4超对称规范模型中的Pomeron

Pomeron in the N=4 supersymmetric gauge model at strong couplings

A. V. Kotikov, L. N. Lipatov

摘要:

利用最近计算的弦能量的AdS/CFT对应,我们得到了N=4超对称规范理论的BFKL Pomeron截距,其形式为逆耦合展开式j 0 =2-2/lambda**(1/2)-1/lambda + 1/4 1/lambda**(3/2)+ 2(1+ 3 zeta 3)/lambda**(2)+ O(1/lambda**(5/2)).直接计算到五阶微扰理论的反常维数的相应斜率γ '(2)与最近Basso结果得到的封闭表达式一致。

英文摘要:

We find the BFKL Pomeron intercept at N=4 supersymmetric gauge theory in the form of the inverse coupling expansion j0=2-2/lambda**(1/2)-1/lambda + 1/4 1/lambda**(3/2) + 2(1+3zeta3)/lambda**(2) + O(1/lambda**(5/2)) with the use of the AdS/CFT correspondence in terms of string energies calculated recently. The corresponding slope gamma'(2) of the anomalous dimension calculated directly up to the fifth order of perturbation theory turns out to be in an agreement with the closed expression obtained from the recent Basso results.

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