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arXiv 1708.09760gr-qchep-th
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量子引力中的分裂Weyl变换

Split Weyl transformations in quantum gravity

Carlos M. Nieto, Roberto Percacci, Vedran Skrinjar

摘要:

本文讨论了在量子引力背景场展开中,在有截断的情况下,泛函重整化群的应用所需要的Weyl群的各种实现。为了研究背景依赖性,我们特别注意分裂规范变换,它作用于背景场和涨落而保持总度规不变。所得结果推广了以往关于全局和局部尺度变换的工作。

英文摘要:

We discuss various realizations of the Weyl group in the background field expansion of quantum gravity, in the presence of a cutoff, as required in applications of the functional renormalization group. In order to study the background--dependence, special attention is given to split gauge transformations, which act on the background field and fluctuation keeping the total metric unchanged. The results generalize previous works on global and local scale transformations.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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