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arXiv 2409.13239hep-th
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M2-M5巨引力子展开

M2-M5 giant graviton expansions

Hirotaka Hayashi, Tomoki Nosaka, Tadashi Okazaki

摘要:

我们研究了M2膜SCFT的库仑指数和Higgs指数的巨引力子展开式,找到了编码$1/4$ -BPS M5膜巨引力子和$1/3$ -BPS轨道折叠M5膜巨引力子谱的指数的封闭表达式.因此,我们得到了描述一堆$N$ M5-膜的6d $(2,0)$理论的扭曲指数的精确形式,推广了未加细的指数。我们证实,它们也漂亮地扩展相对于指数的M2膜巨引力子,这是从库仑指数和希格斯指数的M2膜SCFT变量的变化。

英文摘要:

We examine the giant graviton expansions of the Coulomb and Higgs indices for the M2-brane SCFTs to find the closed-form expressions for the indices that encode the spectra of the $1/4$-BPS M5-brane giant gravitons and the $1/3$-BPS orbifold M5-brane giant gravitons. Consequently, we get exact forms of the twisted indices for the 6d $(2,0)$ theories describing a stack of $N$ M5-branes which generalize the unrefined indices. We confirm that they are also beautifully expanded with respect to the indices for the M2-brane giant gravitons which are obtained from the Coulomb and Higgs indices for the M2-brane SCFTs upon the change of variables.

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