"Gauge" in General Relativity: Second-order general relativistic gauge-invariant perturbation theory

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Publication:3065247

zbMATH Open1202.83048arXiv0711.0996MaRDI QIDQ3065247

Kouji Nakamura

Publication date: 4 January 2011

Abstract: As in the case of the other gauge field theories, there is so called ``gauge also in general relativity. This ``gauge is unphysical degree of freedom. There are two kinds of ``gauges in general relativity. These are called the first- and the second-kind of gauges, respectively. The gauge of the first kind is just coordinate system on a single manifold. On the other hand, the gauge of the second kind arises in the general relativistic perturbations. Through the precise distinction of these two concepts of ``gauges, we develop second-order gauge-invariant general relativistic perturbation theory.


Full work available at URL: https://arxiv.org/abs/0711.0996






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