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arXiv 2503.06005hep-th
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关于非微扰扰动的评述

Remarks on nonperturbative perturbations

Robert J. Saskowski

AI总结:

该研究考虑特定引力理论中近视界极端雷斯纳-诺德斯特龙黑洞的线性化扰动,非微扰处理高导数耦合系数并找到引力扰动解,发现六阶导数修正大谐波时微扰理论失效。

摘要:

我们考虑d维爱因斯坦-麦克斯韦-高斯-邦尼特引力和七维三阶洛夫洛克引力中近视界极端雷斯纳-诺德斯特龙黑洞的线性化扰动。我们找到引力扰动作为高导数耦合系数的函数的解,并将其非微扰处理。因此,我们观察到六阶导数修正的大谐波情况下微扰理论的失效。

英文摘要:

We consider the linearized perturbations of near-horizon extremal Reissner-Nordström black holes in $d$-dimensional Einstein-Maxwell-Gauss-Bonnet gravity and seven-dimensional third-order Lovelock gravity. We find the solutions for the gravitational perturbations as a function of the higher-derivative coupling coefficients, which we treat nonperturbatively. Consequently, we observe a breakdown in perturbation theory for large harmonics for the six-derivative corrections.

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