Large N expansion of superconformal index of k=1 ABJM theory and semiclassical M5 brane partition function
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arXiv
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| Natura: | Preprint |
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2023
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| _version_ | 1866914698922819584 |
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| author | Beccaria, Matteo Tseytlin, Arkady A. |
| author_facet | Beccaria, Matteo Tseytlin, Arkady A. |
| contents | It was shown in arXiv:2309.10786 that the leading non-perturbative contribution to the large $N$ expansion of superconformal index of (2,0) 6d theory (which describes low-energy dynamics of $N$ coincident M5 branes) is reproduced by the semiclassical partition function of quantum M2 brane wrapped on $S^{1}\times S^{2}$ in a twisted version of AdS$_{7}\times S^{4}$ background. Here we demonstrate an analogous relation for the leading non-perturbative contribution to the large $N$ expansion of the superconformal index of the ${n}=8$ supersymmetric level-one $U(N) \times U(N)$ ABJM theory (which describes low-energy dynamics of $N$ coincident M2 branes). The roles of M2 and M5 branes get effectively interchanged. Namely, the large $N$ correction to the ABJM index is found to be given by the semiclassical partition function of quantum M5 brane wrapped on $S^1 \times S^5$ in a twisted version of AdS$_{4}\times S^{7}$ background. This effectively confirms the suggestion for the "M5 brane index" made in arXiv:2007.05213 on the basis of indirect superconformal algebra considerations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2312_01917 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Large N expansion of superconformal index of k=1 ABJM theory and semiclassical M5 brane partition function Beccaria, Matteo Tseytlin, Arkady A. High Energy Physics - Theory It was shown in arXiv:2309.10786 that the leading non-perturbative contribution to the large $N$ expansion of superconformal index of (2,0) 6d theory (which describes low-energy dynamics of $N$ coincident M5 branes) is reproduced by the semiclassical partition function of quantum M2 brane wrapped on $S^{1}\times S^{2}$ in a twisted version of AdS$_{7}\times S^{4}$ background. Here we demonstrate an analogous relation for the leading non-perturbative contribution to the large $N$ expansion of the superconformal index of the ${n}=8$ supersymmetric level-one $U(N) \times U(N)$ ABJM theory (which describes low-energy dynamics of $N$ coincident M2 branes). The roles of M2 and M5 branes get effectively interchanged. Namely, the large $N$ correction to the ABJM index is found to be given by the semiclassical partition function of quantum M5 brane wrapped on $S^1 \times S^5$ in a twisted version of AdS$_{4}\times S^{7}$ background. This effectively confirms the suggestion for the "M5 brane index" made in arXiv:2007.05213 on the basis of indirect superconformal algebra considerations. |
| title | Large N expansion of superconformal index of k=1 ABJM theory and semiclassical M5 brane partition function |
| topic | High Energy Physics - Theory |
| url | https://arxiv.org/abs/2312.01917 |