arXivDaily arXiv每日学术速递 周一至周五更新
arXiv 1301.6773hep-th
收藏

高导数引力中平坦方向的命运

The fate of flat directions in higher derivative gravity

Nabamita Banerjee, Suvankar Dutta, Ivano Lodato

摘要:

我们通过研究两个明确的例子,即五维的高导数规范超引力和十维的高导数IIB型弦论,讨论了高导数引力中平坦方向的命运.在第一种情况下,分析了Gutowski和Reall在渐近AdS时空中发现的超对称自旋黑洞解。在这种情况下,我们发现在二阶导数水平的平坦方向在添加高阶导数项后没有被提升,并且事实证明,即使对于高阶导数作用的非超对称变形,这个结果也成立。对于IIB型理论中的旋转D3膜解,介子在首阶处参数化了一个平坦的方向,但当对IIB型作用量引入(α^ \prime)^3阶超对称高阶导数修正时,它的命运发生了变化,即它的首值被固定了。

英文摘要:

We discuss the fate of flat directions in higher derivative gravity by studying two explicit examples, namely higher derivative gauged supergravity in five dimensions and higher derivative type IIB string theory in ten dimensions. In the first case, the supersymmetric spinning black hole solution in asymptotically AdS spacetime, found by Gutowski and Reall, is analyzed. In this case we find that the flat direction at the two derivative level is not lifted after addition of higher derivative terms, and as it turns out, this result holds even for non-supersymmetric deformations of the higher derivative action. For the rotating D3-brane solutions in type IIB theory, the dilaton parametrizes a flat direction at leading order, but its fate changes upon including order (α^\prime)^3 supersymmetric higher derivative corrections to the type IIB action, i.e. its leading value gets fixed.

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。

↑