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arXiv 0709.4482hep-thmath.DG
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近似Kaehler还原

Nearly Kaehler Reduction

Amir-Kian Kashani-Poor

摘要:

我们考虑了近似Kaehler流形上IIA型超引力的紧化。它们代表了一类简单的SU(3)结构流形,其中包括S^6和CP^3。我们展示了第一次在这种情况下,一个显式的减少animals,获得一个N=2规范超引力在4d与一个单一的矢量和超多重态。我们验证了4d理论的超对称解提升到10d解。在此过程中,我们讨论了在4d理论中遇到电荷和磁荷的相关问题。

英文摘要:

We consider compactification of type IIA supergravity on nearly Kaehler manifolds. These represent a simple class of SU(3) structure manifolds which includes S^6 and CP^3. We exhibit for the first time an explicit reduction ansatz in this context, obtaining an N=2 gauged supergravity in 4d with a single vector and hypermultiplet. We verify that supersymmetric solutions of the 4d theory lift to 10d solutions. Along the way, we discuss questions related to encountering both electric and magnetic charges in the 4d theory.

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