The quantum $AdS_5 \times S^5$ superstring at finite coupling

The quantum $AdS_5 \times S^5$ superstring at finite coupling
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有限耦合下的量子 $AdS_5 imes S^5$ 超弦

DOI:
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发表时间:
2013
期刊:
影响因子:
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通讯作者:
R. Roiban
R. Roiban
中科院分区:
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文献类型:
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作者:
R. McKeown;R. Roiban

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弦理论在AdS_5 × S^5中的可积性和N=4超杨-米尔斯理论的伸缩算子的可积性已被用来提出这些理论中谱问题的精确解。在规范理论和世界面上的弱耦合微扰理论已经被广泛地用来验证这个解。 我们讨论了在有限耦合常数下求AdS_5 x S^5超弦谱的世界表方法,并通过在数值误差范围内恢复BES方程对普适标度函数的预测来说明它们。这是该理论中首次采用场论方法进行有限耦合计算。
The integrability of string theory in AdS_5 x S^5 and of the dilatation operator of N=4 super-Yang-Mills theory has been used to propose an exact solution to the spectral problem in these theories. Weak coupling perturbation theory both in gauge theory and on the worldsheet has been extensively used to verify this solution. We discuss worldsheet methods for finding the spectrum of the AdS_5 x S^5 superstring at finite values of the coupling constant and illustrate them by recovering, within numerical errors, the predictions of the BES equation for the universal scaling function. This is the first finite-coupling calculation in this theory which uses field theory methods.
AdS/CFT 可集成性回顾:概述
DOI: 10.1007/s11005-011-0529-2
发表时间: 2011
影响因子: 1.2
作者:
Beisert N
通讯作者: Beisert N