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arXiv 1306.1760hep-thgr-qc
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两个M2膜的超重力解

Supergravity Solutions of Two M2 Branes

A. M. Ghezelbash, R. Oraji

摘要:

本文给出了十一维超引力中双膜系统的精确解析解。系统中的一个膜沿着整体和相对横坐标完全局域化,而系统中的另一个膜只沿着整体横坐标局域化。膜构型保持了四种超对称性。此外,我们找到了一些近似的解决方案的系统的两个膜与Bianchi空间的整体横向空间的两个膜。所有的超引力解都保持1/8的超对称性。降维后,解提供了IIA型超引力中三个D-膜的相交构型。

英文摘要:

We present an exact analytic class of solutions for a system of two membranes in eleven-dimensional supergravity. One brane in the system is completely localized along the overall and relative transverse coordinates while the other brane in the system is localized only along the overall transverse coordinates. The membrane configuration preserves four supersymmetries. Moreover we find some approximate solutions for the system of two membranes with a Bianchi space as the overall transverse space to both membranes. All supergravity solutions preserve 1/8 of the supersymmetry. Upon dimensional reduction, the solutions provide intersecting configurations of three D-branes in type IIA supergravity.

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