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arXiv · 1812.01590

Gravitational solitons on Kasner background revisited: The simplest solitons with physical context

Christos Karathanasis·Theocharis Apostolatos
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Abstract

We revise the one-pair complex poles soliton solutions on a Kasner background. In the literature, these were rejected as solutions with no cosmological interest due to singularities that supposedly show up at space-like infinity. The only accepted solutions of this kind were those with background metric parameter $d=\pm 1$. By computing the scalars $I, J$ we find that there are no scalar singularities at all, for a wide range of the background parameter $d$. This means that there are actually an enormous number of acceptable simple complex-poles solutions, besides the $d=\pm1$ cases. These solutions are interesting, because they are much simpler than the two-pairs complex poles solutions and, consequently, it is easier to draw conclusions and relate physical phenomena to them.

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Christos Karathanasis, Theocharis Apostolatos. 2018-12-04. Gravitational solitons on Kasner background revisited: The simplest solitons with physical context. https://doi.org/10.1088/1361-6382%2Fab23c2

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