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arXiv 1601.02599hep-thgr-qc
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AdS/CFT中的类时BKL奇点与混沌

Timelike BKL singularities and chaos in AdS/CFT

Edgar Shaghoulian, Huajia Wang

摘要:

我们研究的性质的一个家庭的曲率奇点,正是类时的堂兄弟的类空奇点研究贝林斯基,哈拉尼科夫和Lifshitz(BKL)。我们表明,该方法的奇异性可以模拟的台球问题的双曲空间,就像在BKL的情况下。对于纯引力,一般的混沌行为保留在(3+1)维,我们提供的证据表明,它消失在更高的维度。我们推测,这样的奇异性,如果发生在AdS/CFT和混乱的品种,可以被解释为(瞬态)混乱的重整化群流,表现出的功能让人想起混沌的对偶级联。

英文摘要:

We study the nature of a family of curvature singularities which are precisely the timelike cousins of the spacelike singularities studied by Belinski, Khalatnikov, and Lifshitz (BKL). We show that the approach to the singularity can be modeled by a billiard ball problem on hyperbolic space, just as in the case of BKL. For pure gravity, generic chaotic behavior is retained in (3+1) dimensions, and we provide evidence that it disappears in higher dimensions. We speculate that such singularities, if occurring in AdS/CFT and of the chaotic variety, may be interpreted as (transient) chaotic renormalization group flows which exhibit features reminiscent of chaotic duality cascades.

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