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arXiv 0910.2697hep-th
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d = 4极值黑洞超势的普适性

Universality of the superpotential for d = 4 extremal black holes

Anna Ceresole, Gianguido Dall'Agata, Sergio Ferrara, Armen Yeranyan

摘要:

在对称空间的基础上,给出了N=2四维超引力中BPS和非BPS极值黑洞的超势W的一般求解方法.这扩展了W的U-对偶不变量的建设,在以前的工作中提出的$t^3$模型。作为应用,我们显式地给出了$st^2$和STU模型的W和相关梯度流的解。该程序也适用于完整的N=8理论。阐明了平坦方向在模空间中的作用。

英文摘要:

We provide a general strategy to obtain the superpotential W for both BPS and non-BPS extremal black holes in N=2 four dimensional supergravities based on symmetric spaces. This extends the construction of W in terms of U-duality invariants that was presented in previous work on the $t^3$ model. As an application, we explicitly provide W and the solutions to the related gradient flows for the $st^2$ and stu models. The procedure is shown to hold also for the full N=8 theory. The role of flat directions in moduli space is clarified.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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