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arXiv 1306.4981hep-thmath.RT
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Mathieu Moonshine与N=2弦紧化

Mathieu Moonshine and N=2 String Compactifications

Miranda C. N. Cheng, Xi Dong, John F. R. Duncan, Jeffrey A. Harvey, Shamit Kachru, Timm Wrase

摘要:

有一个“马蒂厄月光”有关椭圆属的K3的零星组M_{24}。在这里,我们给出了证据,证明这种月光延伸到对偶网络的一部分,该对偶网络将在K3 \times T^2上紧化的杂种优势弦与在Calabi-Yau三重上紧化的IIA型弦连接起来。证明了M_{24}表示的维数决定了杂种紧化的新的超对称指标,并出现在Hirzebruch曲面F_n上的椭圆纤维化对偶Calabi-Yau三重的Gromov-Witten不变量中.

英文摘要:

There is a `Mathieu moonshine' relating the elliptic genus of K3 to the sporadic group M_{24}. Here, we give evidence that this moonshine extends to part of the web of dualities connecting heterotic strings compactified on K3 \times T^2 to type IIA strings compactified on Calabi-Yau threefolds. We demonstrate that dimensions of M_{24} representations govern the new supersymmetric index of the heterotic compactifications, and appear in the Gromov--Witten invariants of the dual Calabi-Yau threefolds, which are elliptic fibrations over the Hirzebruch surfaces F_n.

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