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arXiv 1111.6912hep-th
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简单的全息扫描到边界CFTs

Simple holographic duals to boundary CFTs

Marco Chiodaroli, Eric D'Hoker, Michael Gutperle

摘要:

通过放松arXiv:1107.1722中对六维4b型超引力半BPS解的正则性条件,我们将解的空间扩大到包含两种新的半BPS位形,我们称之为\kap \和\funnel .我们给出的证据表明,\kap \和\funnel \可以被解释为完全反反应膜解决方案,分别与$AdS_2$和$AdS_2\times S^2$世界体积。解析地构造了具有单个渐近$AdS_3 \times S^3$区域的\kap \和\funnel \解.我们认为,\kap \解决方案提供了简单的例子,全息边界的CFTs在两个维度和目前的计算全息边界熵支持的BCFT双重图片。

英文摘要:

By relaxing the regularity conditions imposed in arXiv:1107.1722 on half-BPS solutions to six-dimensional Type~4b supergravity, we enlarge the space of solutions to include two new half-BPS configurations, which we refer to as the \kap\ and the \funnel. We give evidence that the \kap\ and \funnel\ can be interpreted as fully back-reacted brane solutions with respectively $AdS_2$ and $AdS_2\times S^2$ world volumes. \kap\ and \funnel\ solutions with a single asymptotic $AdS_3 \times S^3$ region are constructed analytically. We argue that \kap\ solutions provide simple examples of holographic duals to boundary CFTs in two dimensions and present calculations of their holographic boundary entropy to support the BCFT dual picture.

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