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arXiv 2102.00830gr-qcastro-ph.COhep-thmath-phmath.MP
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Schwarzschild背景时空l= 0,1模扰动规范不变处理的建议

Proposal of a gauge-invariant treatment of l=0,1-mode perturbations on Schwarzschild Background Spacetime

Kouji Nakamura

摘要:

提出了Schwarzschild背景时空线性微扰中的双($l=0$)模和偶极($l=1$)模的规范不变处理方法。通过这种规范不变的处理,我们推导出的线性化爱因斯坦方程的解决方案,这些模式与一般的物质场。在真空情况下,这些解包括$l=1$奇模中的Kerr参数扰动和$l=0$偶模中Schwarzschild质量的附加质量参数扰动.线性化版本的伯克霍夫定理也证实了规范不变的方式。从这个意义上说,我们的建议是合理的。

英文摘要:

A gauge-invariant treatment of the monopole- ($l=0$) and dipole ($l=1$) modes in linear perturbations of the Schwarzschild background spacetime is proposed. Through this gauge-invariant treatment, we derived the solutions to the linearized Einstein equation for these modes with a generic matter field. In the vacuum case, these solutions include the Kerr parameter perturbations in the $l=1$ odd modes and the additional mass parameter perturbations of the Schwarzschild mass in the $l=0$ even modes. The linearized version of Birkhoff's theorem is also confirmed in a gauge-invariant manner. In this sense, our proposal is reasonable.

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