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arXiv 2005.06169hep-th
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大电荷展开与AdS/CFT

The large charge expansion and AdS/CFT

Anton de la Fuente, Jann Zosso

摘要:

在大电荷展开下,计算了共形场论中带电算符的标度维数。我们在一个双AdS模型中验证了这种扩展。具体地说,我们在AdS $_4$中数值构造了Einstein-Maxwell-Scalar理论的孤子玻色子星解,发现它在大电荷处的质量再现了对偶2+1维CFT大U(1)电荷扇区中最低算符维数的普遍形式.

英文摘要:

The scaling dimensions of charged operators in conformal field theory were recently computed in a large charge expansion. We verify this expansion in a dual AdS model. Specifically, we numerically construct solitonic boson star solutions of Einstein-Maxwell-Scalar theory in AdS$_4$ and find that its mass at large charge reproduces the universal form of the lowest operator dimension in the large U(1) charge sector of the dual 2+1 dimensional CFT.

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