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arXiv · 1012.1991

Piecewise Flat Gravitational Waves

Maarten van de Meent
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Abstract

We examine the continuum limit of the piecewise flat locally finite gravity model introduced by 't Hooft. In the linear weak field limit we find the energy--momentum tensor and metric perturbation of an arbitrary configuration of defects. The energy--momentum turns out to be restricted to satisfy certain conditions. The metric perturbation is mostly fixed by the energy--momentum except for its lightlike modes which reproduce linear gravitational waves, despite no such waves being present at the microscopic level.

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Maarten van de Meent. 2011-02-22. Piecewise Flat Gravitational Waves. https://doi.org/10.1088/0264-9381%2F28%2F7%2F075005

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