A Remark on Smoothing Out Higher Codimension Branes

A Remark on Smoothing Out Higher Codimension Branes
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关于平滑高维膜的评论

DOI:
10.1142/s0217732302006904
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发表时间:
2002
期刊:
arXiv: High Energy Physics - Theory
影响因子:
--
通讯作者:
P. Langfelder
P. Langfelder
中科院分区:
--
文献类型:
--
作者:
O. Corradini;A. Iglesias;Zurab Kakushadze;P. Langfelder

文献摘要

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我们讨论了在研究无限大体积中非BPS高余维膜的(线性化)引力时出现的一些问题。特别是,这样的背景对于余维-3和具有非零张力的更高的三角函数样膜来说是非常单一的。正如我们在这篇笔记中所讨论的那样,在消除这种奇点时会出现一些不平凡的问题。因此,在这种情况下,添加更高的曲率项可能是必要的。
We discuss some issues arising in studying (linearized) gravity on non-BPS higher codimension branes in an infinite-volume bulk. In particular, such backgrounds are badly singular for codimension-3 and higher delta-function-like branes with non-zero tension. As we discuss in this note, non-trivial issues arise in smoothing out such singularities. Thus, adding higher curvature terms might be necessary in this context.