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arXiv 1709.09871hep-th
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平地上的典范荷

Canonical Charges in Flatland

Max Riegler, Céline Zwikel

摘要:

在这一系列讲座中,我们将介绍渐近对称性分析的概念,重点是2+1维中的渐近平坦时空。我们解释量子化规范理论的一般思想,然后将这些思想应用于度量和陈-西蒙斯公式中的引力。这使得人们能够计算出给定引力组态的渐近对称性,而这些渐近对称性又是全息学背景下可能的对偶量子场论的基本对称性。我们还简要阐述了“软毛”的概念,在这种情况下的黑洞的激发。

英文摘要:

In this series of lectures we give an introduction to the concept of asymptotic symmetry analysis with a focus on asymptotically flat spacetimes in 2+1 dimensions. We explain general ideas of quantizing gauge theories and then apply these ideas to gravity both in the metric as well as the Chern-Simons formulations. This enables one to compute the asymptotic symmetries of given gravitational configurations that in turn act as the basic underlying symmetries of a possible dual quantum field theory in the context of holography. We also briefly elaborate on the concept of "soft hair" excitations of black holes in this context.

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