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Dynamics of a planar thin shell at a Taub-FRW junction

We address the problem of stitching together the vacuum, static, planar-symmetric Taub spacetime and the flat Friedmann-Robertson-Walker cosmology using the Israel thin-shell formalism. The joining of Taub and FRW spacetimes is reminiscent of the Oppenheimer-Snyder collapse used in modeling the formation of a singularity from a collapsing spherical ball of dust. A possible mechanism for the formation of a planar singularity is provided. It is hoped that tackling such example will improve our intuition on planar-symmetric systems in Einstein's general relativity.

preprint2015arXivOpen access
Jan Tristram AcuñaJose Perico Esguerra
gr-qc
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Jan Tristram AcuñaJose Perico Esguerra

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