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arXiv 1504.08009hep-th
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双音${\cal N}=8$超引力的弦起源及其简单Chern-Simons方程

The string origin of dyonic ${\cal N}=8$ supergravity and its simple Chern-Simons duals

Adolfo Guarino, Daniel L. Jafferis, Oscar Varela

摘要:

当规范群为ISO(7)时,我们澄清了最近发现的一类$D=4$ ${\cal N}=8$超引力的双音规范的高维起源.这种动态规范的最大超引力来自于对$S^6$上大质量IIA超引力的一致截断,其磁耦合常数直接从罗马质量下降。超重力抬升到新AdS $_4$大质量IIA型真空的临界点。我们将相应的CFT $_3$理论定义为具有简单规范群SU $(N)$的超陈-西蒙斯物质理论,其水平$k$由罗马质量给出。特别是,我们找到了一个临界点,提升到第一个明确的${\cal N}=2$广告$_4$大规模IIA背景。我们计算其自由能和候选人的对偶陈-西蒙斯理论的本地化到一个可解矩阵模型,并找到完美的协议。这提供了大量IIA型弦理论中的第一个AdS $_4$ /CFT $_3$精确匹配。

英文摘要:

We clarify the higher-dimensional origin of a class of dyonic gaugings of $D=4$ ${\cal N}=8$ supergravity recently discovered, when the gauge group is chosen to be ISO(7). This dyonically-gauged maximal supergravity arises from consistent truncation of massive IIA supergravity on $S^6$, and its magnetic coupling constant descends directly from the Romans mass. The critical points of the supergravity uplift to new AdS$_4$ massive type IIA vacua. We identify the corresponding CFT$_3$ duals as super-Chern-Simons-matter theories with simple gauge group SU$(N)$, with level $k$ given by the Romans mass. In particular, we find a critical point that uplifts to the first explicit ${\cal N}=2$ AdS$_4$ massive IIA background. We compute its free energy and that of the candidate dual Chern-Simons theory by localisation to a solvable matrix model, and find perfect agreement. This provides the first AdS$_4$/CFT$_3$ precision match in massive type IIA string theory.

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