Strings in the Extended BTZ Spacetime

Strings in the Extended BTZ Spacetime
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扩展 BTZ 时空中的弦

DOI:
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发表时间:
2002
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通讯作者:
P. Kraus
P. Kraus
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文献类型:
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作者:
S. Hemming;E. Keski;P. Kraus

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我们研究了由SL(2,) WZW模型的一个轨道所描述的BTZ黑洞的扩展时空的弦理论。完整的时空有无数个不相连的边界分量,每一个都对应一个对偶CFT。讨论了插入在不同分量上的算子的体相关函数和边界相关函数的计算。从SL(2,)/SU(2)协集模型的一个轨道上,通过解析延拓得到了弦论相关函数。这就产生了一般算子的两点函数,包括那些描述缠绕在黑洞视界周围的弦的算子。
We study string theory on the extended spacetime of the BTZ black hole, as described by an orbifold of the SL(2,) WZW model. The full spacetime has an infinite number of disconnected boundary components, each corresponding to a dual CFT. We discuss the computation of bulk and boundary correlation functions for operators inserted on different components. String theory correlation functions are obtained by analytic continuation from an orbifold of the SL(2,)/SU(2) coset model. This yields two-point functions for general operators, including those describing strings that wind around the horizon of the black hole.