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arXiv 1209.3205hep-th
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$AdS_4 \times \mathbb{CP}^3$折叠弦的半经典能量

Semiclassical energy of the $AdS_4 \times \mathbb{CP}^3$ folded string

Matteo Beccaria, Guido Macorini, CarloAlberto Ratti, Saulius Valatka

摘要:

我们认为经典的解决方案描述了一个折叠的IIA型字符串的背景$AdS_4 \times \mathbb{CP}^3$。弦在$AdS$中旋转,角动量在$\mathbb{CP}^3$中。在t Hooft极限下,这是ABJM超共形理论中扭算子的引力对偶。我们用代数曲线法对经典解进行了修正,并确定了对能量的第一半经典修正。给出了一个积分表示,对所有的电荷值都有效。我们分析了它的属性在特殊的制度与短或长的字符串。最后,我们研究了短弦能量的首项(所谓的斜率)的各种性质。

英文摘要:

We consider the classical solution describing a folded type IIA string in the background $AdS_4 \times \mathbb{CP}^3$. The string is spinning in $AdS$ and has angular momentum in $\mathbb{CP}^3$. In the 't Hooft limit, this is the gravity dual of twist operators in the ABJM superconformal theory. We quantize the classical solution by algebraic curve methods and determine the first semiclassical correction to the energy. An integral representation is given, valid for all values of the charges. We analyze its properties in the special regimes associated with a short or long string. Finally, we investigate various properties of the leading term of the energy for short strings (the so-called slope).

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